One New Aftermarket Replacement Water Pump with Pulley for Case and Case IH Equipment
This aftermarket replacement water pump (Part Number A77703) fits Cummins 4BT (3.9L) and 6BT/6T/6TA-590 (5.9L) diesel engines used across a wide range of Case and Case IH (International Harvester) backhoe loaders, crawler dozers, excavators, skid steer loaders, forklifts, tractors, combines, cotton pickers, sprayers, and windrowers, as well as compatible New Holland, Massey Ferguson, and White equipment. The pump includes a serpentine (backward) pulley and a mounting O-ring/gasket — no additional hardware required for installation.
Serial Number Restriction — Verify Before Ordering: Case IH 2096 (S/N 17897500-17897505 & 17897510 & above; January 1984-December 1986 only). Case IH 1620 and 1640 (S/N JJC0034705 & above only). Case 1150E and 1155E require Cummins 6T-590 engine. Case 650E requires Cummins 4T-390 engine. Case 550 and 660 require Cummins 4390 engine.
Specifications
- Drive Type: Pulley (Serpentine/Backward)
- Includes: Serpentine pulley and mounting O-ring/gasket
- Casting Numbers: 78310C, 2339100, 3913432
- Engine Compatibility: Cummins 4BT 3.9L, Cummins 6BT/6T-590/6TA-590 5.9L diesel
Compatible Models
Case Backhoe Loaders: 450C, 455C, 480E, 480ELL, 480F, 480FLL, 550, 550E, 570LXT, 570LXT Series II, 570MXT, 570MXT Series III, 580 Super E, 580 Super K, 580E, 580K, 580L, 580L Tier II, 580M Tier II, 580M Tier III, 580N, 580SK, 580SL, 580SM, 580SM Series 2, 580SM Series 3, 580SM+, 580SN, 580SN WT, 590, 590 Turbo, 590L, 590SL, 590SL Series II, 590SM, 590SM Series 2, 590SN, 660, 680K, 680L, 780C, 780D
Case Crawler Dozers / Crawler Tractors: 550G, 550H, 650, 650E, 650G, 650H, 650K Series 1, 750K Series 1, 850D, 850E, 850G, 850H, 850K Series 1, 850L, 855D, 855E, 1085B, 1085C, 1086B, 1088, 1150E, 1150G, 1150H, 1150K, 1155E
Case Excavators: 688, 880D, 888, 9010, 9010B, 9020, 9020B, 9030, 9030B
Case Forklifts / Material Handlers: 584E, 585E, 585G, 586E, 586G, 586G Series 3, 588G, 588G Series 3, 686G, 686GXR
Case Skid Steer Loaders: 40XT, 60XT, 70XT, 75XT, 85XT, 90XT, 95XT, 1840, 1845C
Case Wheel Loaders / Industrial: 621, 621B, 621C, 621D, 621E, 621F, 621G, 721D, 721E, 721F, 721G, 921F, 921G
Case IH Tractors: 1896, 2096, 5120, 5130, 5140, 5150, 5220, 5230, 5240, 5250, JX1070U, JX1080U, JX1085C, JX1090U, JX1095C, JX1100U, MX90C, MX100, MX100C, MX110, MX120, MX135, MX150, MX170, MXU100, MXU110, MXU115, MXU125, MXU130, MXU135, 85C Farmall, 85U Farmall, 90 Farmall, 95 Farmall, 95C Farmall, 95N Farmall, 95U Farmall, 105N Farmall, 105U Farmall, 105V Farmall, Maxxum 100, Maxxum 110, Maxxum 115, Maxxum 120, Maxxum 125, Maxxum 130, Maxxum 140
Case IH Combines: 1620, 1640, 1644, 2144, 2344
Case IH Cotton Pickers / Cotton Harvesters: 1822, 1844, 2022, 2044
Case IH Sprayers: SPX3150 Patriot, SPX3185 Patriot, SPX3200, SPX3200B Patriot, SPX3200 Patriot, SPX3310, 3150 Patriot, 3185, 3185 Patriot, 3210, 3210 Patriot
Case IH Windrowers: 6000, 8820, 8825, 8825HP, 8830, 8840, 8850, 8860, 8860HP, 8870, 8880, 8880HP
New Holland Tractors: T4040, T4050F, T4050N, T4050V, T4060F, T4060N, T4060V, T5040, T5050, T5060, T5070, T6010, T6020, T6030, T6040, T6050, T6060, T6070, T6.120, T6.160, TD5050, TK4050, TK4050M, TK4060, TL70A, TL80A, TL90A, TL100A, TN85A, TN85DA, TN85SA, TN95A, TN95DA, TN95NA, TS100A, TS110A, TS115A, TS125A, TS130A, TS135A, TV6070
New Holland Windrowers / Hay Equipment: HW305, HW305S, HW325, BW28, BW38
New Holland Skid Steer Loaders: L180, L185, L190, LS180.B, LS185.B, LS190.B, LT185.B, LT190.B, LW110.B, LW130.B, LW170.B, LW190.B, C185, C190
New Holland Telehandlers: LM415A, LM435A, LM445A, LM5040, LM5060, LM5080
New Holland Backhoes: B95, B95LR, B95TC, B110, B110B, B115, B115B, LB90.B, LB110.B, LB115.B
New Holland Combines / Harvesters: TX742, TX842, TX945, TX1055
New Holland Tractors (additional): SE70, SE85, SE110, SE140, SE170, U80, U80B, PX70, PX85, PX110, PX140, PX170, PX215, PX240, P70, P85, P110, P140, P170, P215, P240
New Holland Excavators / Construction: W110TC, W130B, W130C, W170B, W170C, W170TC, W190B, W190C, W230C, W602BD, W602BDA, W602BPD, W752B, W1102, W1102D, W11B, W14B, W14C, WD1203, WDX1002S, WDX1202, WDX1202S
Massey Ferguson: 8560 (Combine)
White Tractors: 60, 80, 60 American, 80 American, 100, 120, 125, 140, 145, 6124, 6125, 6144, 6145, 6410, 6510, 6590, 6590T, 6590TA, 6591T, 6591TA, 6710, 6810, 8310, 8410
Steiger Tractors: 9110, 9130
Replaces Part Number(s):
00181135, 147071A1, 2339100, 2852114, 2852114R, 3286275, 3286275V, 3286277, 3802358, 3802970, 3913432, 4891252, 4892175, 30-3456242, 303456242, 504062854, 5802470503, 6631079, 78310C, 84326893, 87803065, A77471, A77703, A77703NEW, AC77703, AR77471, AR77703, J286277, J286278, J286278R, J802358, J802970
New aftermarket replacement part – not remanufactured, not used.
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