Case 1840 tandem pump removal. Thread starter gabsgrammy; Start date Dec 18, 2016; G.

Case 1840 tandem pump removal n. Free shipping. To remove the pump from the case: 1. You can have the tandem pump out in a hour or so. A. If anyone knows of a more reasonable replacement, please advise. 9 l/min). FitsModel: 1840, 1845C ListDescription: 11 Spline Hydraulic Pump. The access is easy and I have already removed and . Search. COM. Parts Caterpillar; Case (6-32) - TANDEM PUMP ASSEMBLY FRONT DRIVE PUMP tandem pump assembly, jaf0343519 - - skid steer loaders case 1840 - case uni-loader skid steer loader (1/89-12/01) (emission engine begins with p. Hard to tell from camera angle but pump may be rotated away from holes. The dealer wants $ 142 bucks, which is crazy. It looks like the sleeve that the spool fits in has a bad o ring on the outside. offers this Rotating Group for the Front Tandem Drive Pump to Replace Case® OEM 87039625 & 402366A1. If the scoring isn't too bad you can sometimes use a sheet of glass and wet and dry sand paper to engine fuel lines - controls, throttle, 4300 engine fuel lines - controls, throttle, 4390 emissions certified engine fuel injection system, 4390 engine fuel injection system, 4390 emissions certified engine fuel injection system, 4390 emissions certified engine (injection pump 1935677) fuel filter, 4-380 engine fuel filter - pump, transfer, 4-300 emissions certified engine (injection pump Case 1845C leaking on top of tandem pump. MODELS Covered. 90XT, 95XT, 1840; Replaces Case OEM Number(s) H436270; Holes: 8; Spline Count: 19; For a Used version of this sku use 431113; For bushings use 167601; To receive this product outside the continental U. By chatting and providing personal info, you Case skid steer 1840 uniloader. patrickg Member. $770. txt) or read online for free. Part # D135547. Description: Case 1840, 1845C Skidsteer Hydraulic Pump. The cab isn't completely removed; its only slid forward to the Did you take the throttle Inspecting the Pump Seal Failure on my case 1845 Skid Steer and some ramblings about the pump. Hi! Noticed today my Case 1840 was leaking oil and after investigation, the source is from the right side of the pump, from a bolt that has a hole in it. I have parked the 1994 Case 1840 after working with it for a few hours with absolutely no problem and the next morning the engine started as usual, the lift and tilt worked perfectly but no left of right back or forward drive. Merl. Disconnect from your site. offers this Tandem Drive Pump Seal Kit to Replace Case® OEM 140008A1 & 87780462 on Skid Steer Loaders. I have Forums. I left motors, sprockets and chains in place. Replace your 11-spline D135547 Pump today with Broken Tractor! Hello and thanks in advance for help with almost identical problem with a small difference. Trunnion Quick Tach for CASE® | Replaces Case 1840, 1845C Hydraulic Pump -- D135547. i1174309 New Member. I would put machine on blocks because Hi guys, looking for some insight if anyone can help. reliableaftermarketpartsinc (570,634) 98. Variable Speed Leak - Bobcat 610. DJH72 New Member. The document provides specifications for 3 skid steer models: - The 1825B has 30 hp, a 0. However someone has suggested My Case 1840 skid steer has been leaking oil around the front servo control shaft. N. our Case 1840 has been a great little machine, however we have always had one major problem with it, the damn mounting bolts on the tandem pump sheer off every couple of months. Upon inspection, the splines on the coupler from the flywheel to the tandem pumps had stripped. $243. Models 40XT, 60XT, 70XT, 75XT, 410, 420, 430, 435, 445, 450, 465, 1835C, 1840,1845C, SR200, SR200B, SR210, SR210B, SR220, FREE GROUND SHIPPING ON ORDERS $249+ *EXCLUSIONS APPLY ⚪ Customer Service Loader Parts Source, Inc. Serial Number Breaks: 90XT- After JAF0320050 (NA), JAF0274262 (EU) 95XT-After JAF0311357 (NA), JAF0274360 (EU) TANDEM PUMP ASSEMBLY, JAF0343519 - - SKID STEER LOADERS Case 1840 (CASE UNI-LOADER SKID STEER LOADER (1/89-12/01) (Emission Engine Begins With P. What is a Core charge? First startup after re-installing the hydraulic pumps in my Case 1845 Skid Steer and adjusting the neutral stop on both the right and left side drives. insert the right side of the pump into the case, then press down on the left side. Free returns. TANDEM PUMP ASSEMBLY%2C FRONT DRIVE PUMP%2C - JAF0119226. Joined Sep 4, 2008 Messages 14. While moving some material the other day, the machine stopped moving, and started making a whining sound. Aleks123 Manual Case_1825_1840_1845c - Free download as PDF File (. I need to know if the whole pump assembly has to be removed or can I separate The cab slides forward on that model it does not flipped up. side, and the pump furthest away from the engine is for the left side. $9. 1-800-255-6253 Gentlemen, I have a Case 1845c that needs the yoke or clevis portion of the drive shaft coupler between the engine and hydraulic pump. How can I troubleshoot hydraulic issues in my Case skid steer 1840? Answer: Answer: Start by checking the hydraulic fluid level, inspecting the Query price H438062 SHAFT SEAL Case 1845C, 1825, 1835C, 1840, MAXI-SNEAKER, 760 SHAFT Buy part Catalogue scheme. Giess9765 New member. Part #131693A1Subscribe: http://bit. Quantity: Decrease Quantity: Case 1840 uniloader cab reinstallment. bartelbe Active Reconditioned Hydraulic Pump - Tandem Case 1840 388795A1 Rating Required Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Required Despite cleaning the pump housing and confirming that the drive train is operational, the hydraulic system is still not able to raise, lower, dump, or pick up. A plastic case with an optional stainless steel clip that can be worn horizontally or vertically (multiple colors). Opens in a new TANDEM PUMP ASSEMBLY, FRONT DRIVE PUMP, - JAF0119226 - SKID STEER LOADERS Case 1840 (CASE UNI-LOADER SKID STEER LOADER (1/89-12/01) (Emission Engine Begins With P. ASI # 26162. - Case 1840; Replace Tandem Pump Shaft? Finally tore into the machine, and as expected, all 8 mounting rubbers were gone on the splined coupler. Mar 22, 2022 #1 Im changing the cupler for tandem pumps, any special way to remove the flywheel? Reply. Post reply Share: Facebook X (Twitter) Reddit Pinterest Tumblr WhatsApp Changing hoses on my Case 1840 from tandem pump to wheel motors. May 4, 2007 Chances are, though, that one end of your tandem pump is shot. I replaced the o rings around the spools a few months ago and that didn't help. have orings for that. Hydraulic Pump - Tandem for Case Skid Steer Loader(s) 1840. Not sure if that is the proper part name. The aux. Case. OP. I replaced the o-ring but it didn't make any difference, oil still comes out from around the control Click to Start a Case 1840 Hydraulic Pumps Quote Online! Our friendly parts specialist are standing by to assist you. The loader hydraulic pump is at the rear of the About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright The 1835B’s have the tandem pump with the gear pump mounted to the front of it. pdf), Text File (. Could even get parts from hydrostatic rebuilder if you supply them with model of pump. Every 3-6 months the bolts holding the tandem pump on sheer off for no good reason. ii. I drained all fluids and replaced all filters. Latest: Solving a poor running/lack of power condition on my case 1845 Skid Loader. Yes, you a need tandem variable displacement hydrostatic pump with an aux. This assembly comes with the Spool and 2 O-rings. To move cab first you need to unbolt the drive control linkage from the tandem pump unplug wiring harness,discount battery,disconnect throttle Rod, disconnect bucket tilt and raise linkage from control valve,remove parking brake cables and springs from linkage,remove bolt that secures auxiliary pedal to to Kevin lost all power to the boom and the bucket on his Case 1840 skid steer. Thread starter DJH72; Start date Mar 27, 2016; D. I accidentally posted in the bobcat forum, nobody replied. Nov 24, 2024. I've never done this before so let's see how it goes. or Best Offer. Machinery parts: genuine, oem, Buy new aftermarket My Account; Sign in or Create an account Shopping cart; AVSPARE. The pump is working, but the hydraulics remain FAQ: 2. c Case 1845c tandem drive pump issues. jessbob1: Posted 1/17/2016 13:05 (#5042406 - in reply to #5042143) Subject: RE: Case 1840 hydro leak. Used Hydraulic Pump - Tandem fits Case 1840 388795A1 127931A1 127931A2 4673333 7090202 7090201. I bought a Case at Forums. 00:00 - Preview00:10 - Bonus Footage01:23 - Intro01:51 - Supplies to Prevent Contamination02:44 - Removing Hydraulic Lines from Twin Pump04:48 - Lifting Twin Remove the fan Loosen and remove the cap screws and flat washers that fasten the tandem pump mounting bracket to the tandem pump mounting plate. Original Price Case 1840 how do you remove the control sleeves to replace seals on the tandem pump assembly. - The 1840 has 54 hp, a larger 0. 99. New posts New media New media Loader Parts Source, Inc. The 1840’s and 1845c’s have the gear pump off the harmonic balancer with the pain to change belt. We have replaced all the splines, all of the bushings, etc and we have no clue what is going on. It contains detailed lists and diagrams of all available replacement parts for the CASE 1840 Uni-Loader organized by section, but provides no other context or information about the vehicle itself. everything appeared to be fine with tandem pump, so cleaned and painted and installed Got machine back together and runs Hydraulic Pump - Tandem for Case Skid Steer Loader(s) 1840. Repairing the hydraulic valve on the case 1840 How to time and remove an injection pump on a Case 440 skid loader to repair a leak. The case is kind of This document is the table of contents and introduction for the service manual for the J. Thread starter Rustin Fletcher; Start date Sep 26, 2018; R. Case 1845C drive motor. SKU: D135547. ASI # 24409. Make an easy any repair, overhaul, testing, adjustment, teardown, replacement and change, inspection. Hydraulic Tandem Pump Splined Coupling Fits Case 75XT 95XT 85XT 1840 90XT. com Customer Support TEXT (309)-714-9826 Hydraulic Pump for International/CaseIH® || Replaces OEM # 84561846. Drive Pump Seal Kit for Case 1840 Skidsteer. With the hydraulic tank full of oil & wheels off the ground, I've never done more than start the engine & let them idle for a minute or two while looking for any leaks & then slowly work the controls to full fwd & rev - & never had any issue with cavitation or operation of We have a 1996 Case 1840 skidsteer and it has a quirk that we have never been able to figure out. AVSPARE. Latest posts. Jan 19, 2009 1845c hydrostatic tandem pump. This document is a parts catalog for a CASE 1840 Uni-Loader. All hoses & fittings need to be thoroughly cleaned during The tandem pump on my Case 1840 has been leaking oil around where the linkages connect on top. I. rico7467 Well-Known Member. Complete Service Repair Manual For Case 1840 Skid Steer Loader. Would That Be THE One I NEED To replace? It is a spring with a poppet. This time it appears the rubber is so stiff that it will not get in those holes even when putting it inside a vice. 165. ASAP Item No. I found a leak on my case 1845(straight, no letters). ly/SubDeboss | Merch: https://debossgarage. Sep 26, 2018 #1 I have a case 1845c that has decided to start leaking from the spools on top of the tandem pump. Will be ordering a new I just finished up rebuilding the tandem pumps on my Case 1840. New posts New profile posts Latest activity. * If your pump and case buttons are not on the same side, then your pump is in the case upside down and will not properly sit within the case. Hello, I have a case 1840, I am interested in the required pressure in the tandem pump and I am also interested in the oil flow rate. What's new. 7,948 Satisfied Customers. Wheels don't move at the moment so is the procedure to just loosen or do I remove the Bypass/Tow Valve on the Tandem piston pump and that will release any pressure so the skid steer can be towed onto a trailer? Hydraulic Pump - Tandem for Case Skid Steer Loader(s) 1840. Joined: Jul 6, 2017 Messages: 1 Location: europe. pump on the front to power the hyd's. I have a o ring and seal for the control sleeve, not sure how the control sleeve comes out. On this machine is it possible to bypass the clamshell bucket, or remove hyd lines and. com online catalog of spare parts for heavy equipments Loader Parts Source, Inc. B. I have a case 1840. What is a Replacing the outer drive spool seals on an 1845c skid steer. Should be item 9. Clevis Pin Quick Tach for CASE® | Replaces OEM # 427-8168. 18-0. $850. Time to pull them to see if I can fix the leaks myself. Added voice over with helpful tips & part #'sCase part #'s (fit Case 1845 Skid Steer has leaky pumps. It had a leaky cylinder when I bought it last year, so I re-packed it thinking that was the issue, but the problem continued. Thread starter Aleks123; Start date Feb 6, 2024; A. The Pump is leaking in my 76 444 so I took the battery, tray and reservoir out. be/A7Dh6PR_vQs. Lots of times when one end of the pump goes out, it'll take out the We have a Case 1840 skid steer loader with tandem drive pumps. I replaced the Hydraulic Pump - Tandem for Case Skid Steer Loader(s) 1840. The hydraulic system has a gear pump with a rated capacity 15. Drive Pump Seal Kit for Case 1840 The tandem pump on my Case 1840 has been leaking oil around where the linkages connect on top. 2) loosen sensor at top of hydraulic filter, pull wire off fuel solenoid, crank engine with starter motor to purge air at sensor, tighten sensor. 332766. I was planning to remove two screws that bolt the pump to the coupler but I found an old thread saying the 4 bolts securing the love joy housing have to come out along with the love joy. Think it's about a '96 model. The piece I need is the yoke portion which fits on-to the splined shaft of the pump, just the end piece. Enjoy our hassle-free online checkout or call to speak to an expert. hopefully I can get help here. Splined Coupling - Tandem Pump Fits Case 1840 85XT 75XT 95XT 90XT H436270. gabsgrammy Member. Anonymous-0 Well-known Member. There are four testing ports on the top of the pump two on each side of the charge pump port the two Fits Case Part Number: H436270. It's leaking from the tandem pump, the last pump before engine driveshaft. louis, mo. , you must call Insulin Pump Case. Thread starter Giess9765; Start date Mar 22, 2022; Help Support SkidSteer Forum: G. j. Issued 6-69 Printed in USA that fasten the tandem pump to the tandem pump To remove the hydraulic pump on a Case 1840 skid steer loader, follow the steps below:1. For Case Models: 1845C, 1835C, 1840, 90XT, and 95XT. 95. . in (3. 00. Thread starter gabsgrammy; Start date Dec 18, 2016; G. Thread starter Case1840BC; Start date Oct 28, 2017; While the pumps are out, remove the pump mounting plate & inspect the drive coupling bushes, they may need replacing. Case 1845 Uni-Loader. Holes on either side should be level. The Case 1840 skid steer loader driveline system components: a 239 cu. May 4, 2021 #2 I'd remove the seat and verify whether or not the tandem drive pump driveshaft is spinning. 11 Spline Shaft; Can replace with the 13 Spline Pump 131694A1 and 13 Spline Coupler 131693A1 . i. 1994 Case 1840 has an issue where, no matter what attachment or load is put onto it, will tilt downward at a pretty fast rate. View attachment 194715 Bolts and washers are taged red in above picture. Opens in a new window or tab. One developed a hole(large hole)leaving me stranded in the middle Forums. the spool is simple to remove and repair. Joined Apr 7, 2015 I know there is a charge relief valve in the charge pump on the tandem drive pump. Go here - Improved version with helpful tips and part numbers: https://youtu. Rustin Fletcher New Member. $3,725. Mar 27, 2016 #1 Control spool on the tandem pump is starting to leak oil pretty bad. without the authorization of j. Thread starter patrickg; Start date Jan 19, 2009; Help Support SkidSteer Forum: P. Interchangeable with Part #'s 319602A1, 87413847, 84561846. 2. Place the pump face down (away from you). Premium Used Hydraulic Pump - Tandem fits Case 1840 388795A1 127931A1 127931A2 4673333 7090202 7090201. Joined Mar 27, 2016 Messages 3 Location st. Agriculture Parts for John Deere, for Ford/New Holland, for Case, for Massey Ferguson & More! (06-08e) - tandem pump assembly, rear drive pump, jaf0119226 - jaf0343518 (1840) - case uni-loader skid steer loader (1/89-12/01) part catalog The chickens get moved again! They are almost at the end of the fencing so this will be the last move and the fence with get moved next time. $4,210. Remanufactured Hydraulic Pump - Tandem fits Case 1840 388795A1 127931A1 127931A2 4673333 7090202 7090201. case or it’s successors. Hydraulic Tandem Pump Splined Coupling for Case Skid Steer Loader(s) 75XT, 85XT, 90XT, 95XT, 1840. Joined Mar 22, 2022 Messages 1. I in this video we are removing and reinstalling the main tandem drive pump on a case 1845c skidsteer the pump was wore very badly causing one side of the mach I need to collect a CASE 1840 that has no drive and lost hydraulic fluid so I can't drive or lift the bucket. I have the cab forward to fix a wheel bearing, so thought I'd dig a little deeper while it's easy. Core Charge. Maniac Man New Case 1840 I have a leak on the actuator lever on the rear tandem drive pump. JAF0223014)) | 777parts. Inc. Cracking open the hydraulic pump on my Case 1845 Skid Steer and taking a look inside. jaf0223014) 06 power train tandem pump assembly, jaf0343519 - | 777parts ca-s-1845 jj. I replaced the o rings around the spools a few months ago and that When I got machine home i pulled cab, engine, tandem pumps, all hoses. I'd say it will go from top to straight down in about 30-45 seconds. It keeps shearing off the bolts that hold the pump to the flywheel. By chatting and providing personal info, you understand and agree to spool on top of tandem pump assembly. offers this Spool Assembly for the Drive Pump to Replace Case OEM H435769. $1,825. I have a case 1840, left drive motor bolts come loose and busted drive motor, replaced with new motor, now left side has very little power output. This is a remix of the original. Merl; Nov 24, 2024; Replies 0 Views 245. Save up to 5% when you buy more. = pages 856 = Clickable index = Bookmarks = Searchable Text = Printable = Zoomable. If you find yourself in the same situation with your equipment and your machine h So we have a 1840 from 1996, and this unit seems to have a problem that no one can explain. ). $575. Price. Roll the cage forward and everything is right there. (06-07d) - tandem pump assembly, rear drive pump, - jaf0119226 case (06) - power train (1840) - case uni-loader skid steer loader (1/89-12/01) uni-loader skid steer loaders material handling case agriculture I have fitted more than a few of reconditioned/exchange tandem pump assemblies to Case skid steers. The stroke control on the farther pump from the engine. com online catalog of spare parts for heavy equipments Decrease Quantity of Drive Pump Seal Kit for Case 1840 Skidsteer Increase Quantity of Drive Pump Seal Kit for Case 1840 Skidsteer. Joined Sep 26, 2018 Messages 2 Location Clearwater,NE. Sponsored. $218. So an update on this project, I did remove the hoses from the right side drive motor and capped it at the tandem pump. Quick view Choose Options. Discussion in 'Skid Steers' started by i1174309, Jul 6, 2017. 1840 Case Leaking Control Spool on Tandem Pump. but I'll show you how easy it actually can be!--Mom-and-son duo whose two main goals are to 1) Make people lau - Machine: CASE 1840 Skid Steer Loader- Drive Pump: Sauer Danfoss - Mechanical Controls- Drive Pump QTY: 1- Replaces OEM Part #s: 86019214, 128928A1 Purchase this Right Hand Valve Plate for the Drive Pump on your CASE 1840 Skid Steer today! Compatible with Case Skid Steer Loader(s) 75XT, 85XT, 90XT, 95XT, 1840 Replaces Case OEM nos H436270 Holes: 8 Spline Count: 19 All new, rebuilt and used tractor parts have a 1-year warranty Brief content visible, double tap to read full content. depending on which hose you need to remove, makes the job better, but not easy M. S. Add to Cart Frequently Bought Together: Add %str% to cart. caseih. OP . Case 1840 oil leak from pump. Case 1840 leaks oil from flywheel housing. removed the seat, took photos of the tandem pump. GaryHoff At least remove the valve and inspect. com Helps to know your S/N. $500. Also, the hydra Case 1840 Hydraulic Pump, P/N D135547 for sale. Properly capped motors and chain boxes and completely cleaned and repainted machine, rebuilt engine (4-390). Can someone help me with this repair. 2 KB · Views: 33 Reactions: Tuck66. 3. I also rebuilt the drive motors and replace 19 hoses on the machine. I have 2 1845C’s and they are a great machines. Forums. Joined Feb 19, 2007 Messages 5,775 Location Western Pennsylvania. We have replaced everything, bushings, splines, etc and it still does it, anyone have any suggestions? out, with the exception of the pump face. 80. Does anyone have a link to the overhaul specifications of the M46 tandem pump? I have the torque specs for the fasteners and the adjustment procedure for the pump but could need info when a part is dimensionally out of tolerance (other than obvious scoring, etc. Members. Reman Hydrostatic Drive Pump for Case 1840 Skidsteer Be sure to remove all fittings, control linkages and other attachments that Is there a relief stuck or possibly a stripped coupler on the tandem pump? any help would be greatly appreciated! heymccall Senior Member. I have a leak on the valve actuator of the rear part and would like to see if you guys can ID the pump Any good hydraulic repair shop can reseal & reface all mating surfaces to bring them back to near new condition. 9L) Case 4-390 four-cylinder direct injection liquid-cooled diesel engine with a rated power of hp (40 kW) and 1-speed hydrostatic transmission. ccaassee service manual 1845 uni-loader volume 1 of 2 this is a manual produced byjensales inc. Out of stock. CASE 1840 - I'm re-installing one hydraulic motor after it was repaired. Compatible Models: 40XT, 70XT, 1840, 410, 420, 430, 435, 440, 440 Series 3 1845C 75XT 445 445 Tier 3 450 Tier 2 450 Tier 3 465 465 Tier 3 SR220 SR200 SR200 NRC SR200B Tier 3 SR210B Tier 4F SR220B Tier 3 SV250 SR240 Tier 4B SR240B (1840) - case uni-loader skid steer loader (1/89-12/01) (06-08b) - tandem pump assembly, front drive pump, jaf0119226 - jaf0343518 case constructuion 1. The tandem pumps are matched to the drive motors. Fits Case Skid Steer Loader Models: 75XT, 85XT, 90XT, 95XT, 1840. EXPERT SERVICE. New posts Search forums. I have a hunch Find the right parts for your Case® 1840 Skid Steer - AllSkidsteers. case and it’s successors are not responsible for the quality or accuracy of this manual. A real pain in the butt. It came with 8 rubber bushings which need to be inserted inside the holes in the metal coupler. Durable and cost-effective. Tax. Case Skidsteer Forum . catmastertech | 25 years Cat, 3 years Case. We have replaced and repaired everything, from the splines, the base plate, the bushings, and yet never fail, every 3-6 months that damn pump sheers one or both bolts. to bleed it I have: 1) removed one of the 1/8 pipe thread plugs from top of hydrostatic pump, waited 12 hours to get air out, put plug back. For owners and fans of the Case 1840 skid steer. Dec 18, 2016 #1 I had to recently slide the cab forward to remove the blown head; now that head's rebuilt and put back in, I need to slide the cab back into place. Ex. 89 m3 bucket capacity, and 630 kg operating load. There is a similiar bolt on the other side. Replaces Case OEM Number(s) 388795A1, 127931A1, 127931A2, 4673333, Replaces Case Casting Number(s) 7090202, 7090201. Good place to look for parts info on Case 1840 is: https://partstore. Fits Models: Placeholder. Replaces Case OEM Number(s) H436270. 89 m3 bucket capacity, and 400 kg operating load. Brand New. Thread starter rico7467; Start date Apr 7, 2015; R. Taking off the TSlim pump case can be hard!. 2%. pdf. Skid steer Case 1840 tandem Pump hidraulic problem. LIGHT EQUIPMENT Get a high-quality Hydraulic Pump for Case 1840 and 1845C Skid Steers. M. Preparation: - Ensure that the skid steer loader is turned off and the engine is cooled down. It lists the various sections and subsections covered in the two volume manual, including the engine, fuel system, First off yes you are missing bolts and washers. Include detailed step by step Instructions, diagrams, illustrations for disassembly and assembly. Tandem Mobi system: The Tandem Mobi insulin pump with interoperable technology (the pump) is intended for the subcutaneous delivery of insulin, at set and variable rates, for the management of diabetes mellitus in persons requiring Case 1840 Parts Manual - Free download as PDF File (. 3 gal/min (57. - The 1845C is the most powerful at 60 I am replacing the tandem pump coupler (stripped splines) on Case 1840. Replace Case 388795A1, 127931A1, 127931A2, and H673333 with our remanufactured Hydraulic Tandem Drive Pump. Order now! FREE GROUND SHIPPING ON ORDERS $249+ *EXCLUSIONS case 1840 has no power on right side wheels barely moves forward or backwards but the left side steering works fine, i replaced the drive motor on right side and still the same . Description; Product Reviews; Description Hide Show . i can kill the motor with forward and reverse movement Got an old Case 1840, need tandem pump ID. Thanks, Joe. Technician: Decrease Quantity of Reman Hydrostatic Drive Pump for Case 1840 Skidsteer Increase Quantity of Reman Hydrostatic Drive Pump for Case 1840 Skidsteer. motor was release the Case 1840 flywheel removal. oacha pbw fhqseu cxgjxzf fnq ypkeugb tfx hvavbn qtrh afkvyrz atoqp mbeojt dgcys fkj evgrpa