OEM Part NO. 7G-4991 / 7G4991 TRANSMISSION CONTROL GROUP (Hyd)

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Product Name: 7G4991TRANSMISSION CONTROL GROUP (Hyd)

Model: 637D Wheel Tractor

Section: Power Train Power Transmission Unit

Group: 637D TRACTORS 3408 ENGINE

Note: 7G4991 TRANSMISSION HYDRAULIC CONTROL GROUP -- Part 3 of 3IF TRANSMISSION IS SERIALIZED USE TRANSMISSION SERIAL NO. OTHERWISEUSE VEHICLE SERIAL NO. Serial No. 26W480 to 26W491 inclusive & 27W1238, 1244to 1246, 1248, 1250, 1252, 1254 to 1256 & 27W1258 to 27W1329 inclusive. Test No.3343-Up. Transmission Serial No. 1PA1-Up. Part of 7G4992 Transmission Arrangementshown on Page 113B

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Description

Product Name: 7G4991TRANSMISSION CONTROL GROUP (Hyd)

Category: Final Drive

Remark: 7G4991 TRANSMISSION HYDRAULIC CONTROL GROUP -- Part 3 of 3IF TRANSMISSION IS SERIALIZED USE TRANSMISSION SERIAL NO. OTHERWISEUSE VEHICLE SERIAL NO. Serial No. 26W480 to 26W491 inclusive & 27W1238, 1244to 1246, 1248, 1250, 1252, 1254 to 1256 & 27W1258 to 27W1329 inclusive. Test No.3343-Up. Transmission Serial No. 1PA1-Up. Part of 7G4992 Transmission Arrangementshown on Page 113B

Model: 637D Wheel Tractor

Section: Array

Group: 637D TRACTORS 3408 ENGINE

Is service: Y

CCR: N

Is Filter: N

Is Maint: N

NPR: Y

IE type: I

Is arrangement: N

Is change: N

SEQPart NO.NamePos.Qty.NPRCCRServiceChangeTypeModifer

17S4539OEM Part NO. 7S-4539 / 7S4539 SLEEVE- / -6YNY---
28S3453OEM Part NO. 8S-3453 / 8S3453 LEVER ASSEM.- / -1YNY---
32S5778OEM Part NO. 2S-5778 / 2S5778 LEVER- / -1YNY---
48M1115OEM Part NO. 8M-1115 / 8M1115 RING-RETAINER- / -4YNY---
53S1364OEM Part NO. 3S-1364 / 3S1364 DOWEL- / -4YNY---
67S8581OEM Part NO. 7S-8581 / 7S8581 MANIFOLD- / -1YNY---
77S8590OEM Part NO. 7S-8590 / 7S8590 PLATE- / -1YNY---
81S3154OEM Part NO. 1S-3154 / 1S3154 DETENT- / -1YNY---
91S3155OEM Part NO. 1S-3155 / 1S3155 DETENT AS-SPEED- / -2YNY---
105S6985OEM Part NO. 5S-6985 / 5S6985 SPACER- / -1YNY---
115S7795OEM Part NO. 5S-7795 / 5S7795 BRACKET ASSEM.- / -1YNY---
125S7785OEM Part NO. 5S-7785 / 5S7785 CAMSHAFT-DETENT- / -1YNY---
139M4288OEM Part NO. 9M-4288 / 9M4288 BOLT 4.50 in. (114.30 mm) long- / -15YNY--11.4CM 4.5IN. LG
142P1049OEM Part NO. 2P-1049 / 2P1049 DOWEL- / -1YNY---
158S9121OEM Part NO. 8S-9121 / 8S9121 ACCUMULATOR GROUP- / -1YNYNI-
165S3656OEM Part NO. 5S-3656 / 5S3656 SHAFT- / -1YNY---
179M4289OEM Part NO. 9M-4289 / 9M4289 BOLT 1.27 dm(5 in.) long- / -12YNY--5/16-18X8-IN
188S0599OEM Part NO. 8S-0599 / 8S0599 SLEEVE- / -1YNY---
192P1964OEM Part NO. 2P-1964 / 2P1964 SLEEVE- / -3YNY---
201P3230OEM Part NO. 1P-3230 / 1P3230 MANIFOLD-END- / -1YNY---
215P8106OEM Part NO. 5P-8106 / 5P8106 WIRE 140 cm(55.12 in.)- / --YYY--26-CM
222S5818OEM Part NO. 2S-5818 / 2S5818 BOLT 3 in. (76.20 mm) long- / -12YNY---
239M2069OEM Part NO. 9M-2069 / 9M2069 PIN- / -1YNY---
248M8652OEM Part NO. 8M-8652 / 8M8652 SHAFT-GOVERNOR CONTROL- / -1YNY---
254M1768OEM Part NO. 4M-1768 / 4M1768 SPRING-DETENT- / -1YYY--3/8-16X2.25IN
267G4284OEM Part NO. 7G-4284 / 7G4284 SLEEVE-SCREEN- / -4YNY---
279G2070OEM Part NO. 9G-2070 / 9G2070 SPACER- / -4YNY---
288P8790OEM Part NO. 8P-8790 / 8P8790 SWITCH ASSEM. (slave & synch)- / -1YYY---
298P7613OEM Part NO. 8P-7613 / 8P7613 PLATE ASSEM.- / -1YNY---
303P2420OEM Part NO. 3P-2420 / 3P2420 ELBOW- / -1YNY---
311P9610OEM Part NO. 1P-9610 / 1P9610 LEVER- / -1YNY---
321P9611OEM Part NO. 1P-9611 / 1P9611 CAMSHAFT- / -1YNY---
338P2712OEM Part NO. 8P-2712 / 8P2712 COVER- / -1YNY---
348P8764OEM Part NO. 8P-8764 / 8P8764 SPACER- / -4YNY---
358P8793OEM Part NO. 8P-8793 / 8P8793 GEAR (22 teeth)- / -1YNY--22 TEETH
369G1812OEM Part NO. 9G-1812 / 9G1812 SWITCH ASSEM. (slave & synch)- / -1YYY---
378P8814OEM Part NO. 8P-8814 / 8P8814 HARNESS ASSEM.- / -1YYY---
387M5915OEM Part NO. 7M-5915 / 7M5915 PIN-LOCK- / -3YYY---
399S2818OEM Part NO. 9S-2818 / 9S2818 VALVE GP-CUTOFF- / -1YNYNI-
408P4054OEM Part NO. 8P-4054 / 8P4054 PLATE- / -1YNY---
418P4221OEM Part NO. 8P-4221 / 8P4221 VALVE GP-SELECTOR- / -1YNYNI-
423S1323OEM Part NO. 3S-1323 / 3S1323 SLEEVE- / -1YNY---
433P6661OEM Part NO. 3P-6661 / 3P6661 VALVE GP-AUTOMATIC SELECTOR- / -1YNYNI-
446P5642OEM Part NO. 6P-5642 / 6P5642 PLATE- / -1YNY---
456P3233OEM Part NO. 6P-3233 / 6P3233 VALVE GP-PRESSURE CONTROL- / -1YNYNI-
463P2973OEM Part NO. 3P-2973 / 3P2973 SHIFT PRESSURE VALVE GROUP- / -1YNYNI-
473P2398OEM Part NO. 3P-2398 / 3P2398 MANIFOLD- / -1YNY---
484S8569OEM Part NO. 4S-8569 / 4S8569 SPRING-DETENT- / -1YYY---
492P3621OEM Part NO. 2P-3621 / 2P3621 PIN- / -1YNY---
501A1460OEM Part NO. 1A-1460 / 1A1460 BOLT-JACKSCREW SUPPORT TO REAR SPT- / -1YNY--5.08CM 2IN LG
515B2638OEM Part NO. 5B-2638 / 5B2638 BOLT (5.25" Long - Location "D")- / -4NNY--3/8-16X5.25-IN
524B4280OEM Part NO. 4B-4280 / 4B4280 WASHER .095 in. (2.42 mm) thick- / -1YYY--WASHER
531M3833OEM Part NO. 1M-3833 / 1M3833 DOWEL- / -1YNY---
540S1608OEM Part NO. 0S-1608 / 0S1608 BOLT 3.75 in. (95.25 mm) long- / -2YNY--3/8-16X3.75-IN
555P5628OEM Part NO. 5P-5628 / 5P5628 TUBE .076m(3 in.)(use as required)- / --YYY--3.276M 129.2IN.
563B4508OEM Part NO. 3B-4508 / 3B4508 LOCKWASHER (1/2") TRANSFER GEAR CASE TO FRAME MOUNTING- / -1YYY--LOCKWASHER 1/2"
573B4506OEM Part NO. 3B-4506 / 3B4506 LOCKWASHER (3/8") TRANSMISSION HOUSING TO FLYWHEEL HOUSING- / -2YYY--LOCKWASHER 3/8"
580L1143OEM Part NO. 0L-1143 / 0L1143 BOLT 63.5 MM (3/8" x 2 1/2" -COVER ASSEMBLY TO FENDER- / -7YYY--BOLT
591D4719OEM Part NO. 1D-4719 / 1D4719 NUT-- HANDRAIL TO PLATFORM AND FUEL TANK- / -1YNY--1/2-13-THD
600T0573OEM Part NO. 0T-0573 / 0T0573 BOLT (3/8) (63.5MM LONG) (ON CAB OF COVER ASSEM.)- / -3YNY--6.99CM 2.75IN LG
611D4717OEM Part NO. 1D-4717 / 1D4717 NUT-PLATE AND ANGLE ASSEMBLY TO HYDRAULIC AND FUEL TANKS- / -1YNY--NUT
629H0223OEM Part NO. 9H-0223 / 9H0223 SEAL LIP TYPE- / -2YYY--EXHAUST
635M6214OEM Part NO. 5M-6214 / 5M6214 PIPE PLUG--CYLINDER BLOCK OIL PRESSURE- / -3YNY--PLUG
640S0509OEM Part NO. 0S-0509 / 0S0509 BOLT--BETWEEN CASE AND SUPPORT OF LOADER FRAME (L.H. & R.H.)- / -2YNY--BOLT
650S1594OEM Part NO. 0S-1594 / 0S1594 BOLT--FASTENING OF 1V3461 PLATE ASSEM. TO THE KICKPLATE- / -1YNY--3/8-16X1IN
665B3718OEM Part NO. 5B-3718 / 5B3718 SEAL FUEL INJECTION VALVE NUT- / -1YYY--SEAL-VALVE ASSEMBLY
671S7462OEM Part NO. 1S-7462 / 1S7462 SEAL O RING- / -12YYY--SMALL
688M4432OEM Part NO. 8M-4432 / 8M4432 SEAL (large)- / -8YYY--LARGE
698M4992OEM Part NO. 8M-4992 / 8M4992 SEAL (1.609" Inside Diameter)- / -1YYY--40.87MM ID
708M5248OEM Part NO. 8M-5248 / 8M5248 SEAL-O-RING (28.17 ID)- / -10YYY--28.17 ID
715M2894OEM Part NO. 5M-2894 / 5M2894 WASHER CLIP TO TUBE ASSEMBLY (AFTERCOOLER RADIATOR INLET)- / -9YYY--9.9MM .391IN ID
729M1974OEM Part NO. 9M-1974 / 9M1974 WASHER PLATE TO BRACKET ASSEMBLY- / -27YYY--8.8X16X2MM THK
731B4203OEM Part NO. 1B-4203 / 1B4203 NUT SUPPORT TO STARTING ENGINE CYLINDER BLOCK- / -3YNY--3/8-24 THD
740328870OEM Part NO. 032-8870 / 0328870 PIN SPRING- / -1YYY---
758M8162OEM Part NO. 8M-8162 / 8M8162 BOLT-12 POINT HEAD- / -2YNY--5/16-18X1.5-IN
768P4764OEM Part NO. 8P-4764 / 8P4764 PIN- / -1YYY---
778B4037OEM Part NO. 8B-4037 / 8B4037 WASHER- / -1YYY--0.766X1.75X0.083-IN THK
788S6377OEM Part NO. 8S-6377 / 8S6377 PIN 2.50 in.(6.35 cm) long- / -1YYY---
799S5222OEM Part NO. 9S-5222 / 9S5222 SPACER- / -1YNY--12.73X18.87X26.19-MM THK
801S9811OEM Part NO. 1S-9811 / 1S9811 BOLT 6 in. (152.40 mm) long- / -29YNY--5/16-18X6-IN
813D4197OEM Part NO. 3D-4197 / 3D4197 COVER- / -1YNY---
822J6356OEM Part NO. 2J-6356 / 2J6356 RING-RETAINING- / -1YYY--SNAP
837B2499OEM Part NO. 7B-2499 / 7B2499 RING (SNAP)- / -1YYY---
841P9650OEM Part NO. 1P-9650 / 1P9650 GASKET- / -1YYY---
857M2082OEM Part NO. 7M-2082 / 7M2082 GASKET- / -1YYY---
868M4437OEM Part NO. 8M-4437 / 8M4437 SEAL-TO CLUTCH PISTON PINS- / -2YYY---
871S3206OEM Part NO. 1S-3206 / 1S3206 BEARING AS-NEEDLE- / -2YYY---
884H1394OEM Part NO. 4H-1394 / 4H1394 WASHER 1.191 mm(.047 in.)thick- / -1YYY--1.2MM THK
891T0738OEM Part NO. 1T-0738 / 1T0738 WASHER 1.83MM (.072IN)thk- / -4YYY--8.4X19X1.83-MM THK
902D0598OEM Part NO. 2D-0598 / 2D0598 SEAL O RING- / -1YYY--LARGE
912H3429OEM Part NO. 2H-3429 / 2H3429 RING - RETAINING EXTERNAL- / -2YYY--EXTERNAL
922B2694OEM Part NO. 2B-2694 / 2B2694 BOLT .875 in. (2.21 cm) long- / -4YNY--5/16-18X2-IN
938H8175OEM Part NO. 8H-8175 / 8H8175 BEARING (Part of 4S7873 Assem.)- / -2YYY--SMALL
948S5575OEM Part NO. 8S-5575 / 8S5575 SEAL LIP TYPE- / -1YYY---
951A5964OEM Part NO. 1A-5964 / 1A5964 BOLT (4.75 in. long-location "B")- / -4YNY--3/8-16X4.5-IN
960L1329OEM Part NO. 0L-1329 / 0L1329 BOLT- 7.63 cm(3 in.) long - Location "H"- / -1YYY--1/2-13X3-IN
972M4453OEM Part NO. 2M-4453 / 2M4453 SEAL (.484" I.D.)- / -4YYY--12.29MM ID

SEQPart NO.NamePos.Qty.NPRCCRServiceChangeTypeModifer

10R4033OEM Part NO. 0R-4033 / 0R4033 TRANSMISSION AR- / --------
28S0660OEM Part NO. 8S-0660 / 8S0660 MANIFOLD & SCREENS GROUP- / -1YNNNIMANIFOLD & SCREEN GP
37S2939OEM Part NO. 7S-2939 / 7S2939 TORQUE CONVERTER GROUP- / -1YNYNITRANSMISSION
49P6447OEM Part NO. 9P-6447 / 9P6447 TRANSMISSION FILTER GROUP- / -1YNYNIFILTER GP-TRANSMISSION
51P4220OEM Part NO. 1P-4220 / 1P4220 GEAR PUMP GROUP- / -1YNYNITRANSMISSION SCAVENGE
67S4577OEM Part NO. 7S-4577 / 7S4577 TRANSMISSION PUMP GROUP- / -1YNYNITRANSMISSION
75S7930OEM Part NO. 5S-7930 / 5S7930 GOVERNOR & DRIVE GROUP- / -1YNYNI-
87G4991OEM Part NO. 7G-4991 / 7G4991 TRANSMISSION CONTROL GROUP (Hyd)- / -1YNYNI-
96P1270OEM Part NO. 6P-1270 / 6P1270 COVERS GROUP- / -1YNY---
106P1278OEM Part NO. 6P-1278 / 6P1278 TRANSMISSION CASE & COVERS GROUP)- / -1YNYNI-
112P9240OEM Part NO. 2P-9240 / 2P9240 TRANSFER CASE & GEAR GP- / -1YNYNI-
126P1321OEM Part NO. 6P-1321 / 6P1321 PLANETARY TRANSMISSION GROUP- / --YNYNI-

Part NO. 7G4991 suitable for:

SEQPart NO.NamePos.Qty.NPRCCRServiceChangeTypeModifer

17G4992OEM Part NO. 7G-4992 / 7G4992 TRANSMISSION AR- / -1---NI-

Parts EPC Caterpillar Parts Final Drive