parts catalog

988B WHEEL LOADER 50W00001-06040 (MACHINE) POWERED BY 3408 ENGINE HYDRAULIC SYSTEM Caterpillar SIS

WHEEL LOADER 988B WHEEL LOADER 50W
988B WHEEL LOADER 50W00001-06040 (MACHINE) POWERED BY 3408 ENGINE SEBP1079 988B 50W (1976)

Parts group 988B:

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HYDRAULIC SYSTEM

ACCUMULATOR GP

ACCUMULATOR GP

9J-8675 ACCUMULATOR GP

9J8675 ACCUMULATOR GROUP
Part of 1V4963 Service Brake Control Group shown on Page 153

COOLER GP

COOLER GP-HYDRAULIC OIL

4N-1953 COOLER GP-HYDRAULIC OIL

4N1953 HYDRAULIC OIL COOLER GROUP

LINES GP-OIL COOLER

1V-4966 LINES GP-OIL COOLER

1V4966 HYDRAULIC OIL COOLER LINES GROUP--Top View
Serial No. 50W1 to 50W4083 inclusive

LINES GP-OIL COOLER

1V-4966 LINES GP-OIL COOLER

1V4966 HYDRAULIC OIL COOLER LINES GROUP--Top View
Serial No. 50W4084-Up

CYLINDER GP

CYLINDER & MOUNTING GP

1V-5136 CYLINDER & MOUNTING GP

1V5136 TILT CYLINDER AND MOUNTING GROUP
Serial No. 50W1 to 50W2264 inclusive
9J3632 Cylinder parts are shown on Page 235

CYLINDER & MOUNTING GP

1V-5136 CYLINDER & MOUNTING GP

1V5136 TILT CYLINDER AND MOUNTING GROUP
Serial No. 50W2265-Up
9J3632 Cylinder parts are shown on Page 235

CYLINDER GP-TILT

9J-3632 CYLINDER GP-TILT

9J3632 TILT CYLINDER GROUP (Change 3)--7.75" Bore X 28.75" Stroke
Part of 1V5136 Tilt Cylinder and Mounting Group shown on Page 234

CYLINDER GP-TILT

3G-2976 CYLINDER GP-TILT

3G2976 TILT CYLINDER GROUP--(Change 0)--216 mm (8.5") Bore x 479 mm (18.5") Stroke
Part of 3V6657 Hydraulic Arrangement listed on Page 208A. AN ATTACHMENT

CYLINDER GP

8J-5779 CYLINDER GP

8J5779 LIFT CYLINDER GROUP (Change 0-2)--216 mm (8.5") Bore x 1140 mm (45") Stroke
Serial No. 50W1 to 50W2184 inclusive
Part of 1V5137 Lift Cylinder and Mounting Group shown on Page 237

CYLINDER GP

8J-5779 CYLINDER GP

8J5779 LIFT CYLINDER GROUP (Change 3-4)--216 mm (8.5") Bore x 1140 mm (45") Stroke
Serial No. 50W2185 to 50W5501 and 50W5581-Up
Part of 1V5137 Lift Cylinder and Mounting Group shown on Pages 237, 238 & 238A

LIFT CYLINDER GROUP

1U-4679 LIFT CYLINDER GROUP

1U4679 LIFT CYLINDER GROUP (Change 0)--216 mm (8.5") Bore X 1140 mm (45") Stroke
Serial No. 50W5502 to 50W5580 inclusive
Part of 1V5137 Lift Cylinder and Mounting Group shown on Page 238B

CYLINDER & MOUNTING GP

1V-5137 CYLINDER & MOUNTING GP

1V5137 LIFT CYLINDER AND MOUNTING GROUP
Serial No. 50W1 to 50W2264 inclusive
8J5779 Cylinder parts are shown on Page 236

CYLINDER & MOUNTING GP

1V-5137 CYLINDER & MOUNTING GP

1V5137 LIFT CYLINDER AND MOUNTING GROUP
Serial No. 50W2265 to 50W4394 inclusive
8J5779 Cylinder parts are shown on Page 236

CYLINDER & MOUNTING GP

1V-5137 CYLINDER & MOUNTING GP

1V5137 LIFT CYLINDER AND MOUNTING GROUP
Serial No. 50W4395 to 50W5501 inclusive
8J5779 Cylinder parts are shown on Page 236

CYLINDER & MOUNTING GP

1V-5137 CYLINDER & MOUNTING GP

1V5137 LIFT CYLINDER AND MOUNTING GROUP
Serial No. 50W5502 to 50W5580 inclusive
1U4679 Cylinder parts are shown on Page 236B

CYLINDER & MOUNTING GP

1V-5137 CYLINDER & MOUNTING GP

1V5137 LIFT CYLINDER AND MOUNTING GROUP
Serial No. 50W5581-Up
8J5779 Cylinder parts are shown on Page 236A

FILTER GP

FILTER GP-HYDRAULIC OIL

3G-0839 FILTER GP-HYDRAULIC OIL

3G839 OIL FILTER GROUP
Serial No. 50W1 to 717, 722 to 725 and 756 to 50W772 inclusive. Part of 1V4916
and 1V4968 Lines Groups shown on Pages 164 and 227

FILTER GP-HYDRAULIC OIL

3G-0839 FILTER GP-HYDRAULIC OIL

3G839 OIL FILTER GROUP
Serial No. 50W718 to 50W721, 50W726 to 50W755 and 50W773 to 50W872 inclusive
Part of 1V4916 and 1V4968 Lines Groups shown on Pages 164 and 227

FILTER GP-HYDRAULIC OIL

3G-0839 FILTER GP-HYDRAULIC OIL

3G839 OIL FILTER GROUP
Serial No. 50W837-Up. Part of 1V4916 and 1V4968 Lines Groups shown on
Pages 164, 166A, 227 and 227B

BYPASS GP-FILTER

3G-7232 BYPASS GP-FILTER

3G7232 FILTER BY-PASS GROUP
Serial No. 50W537-Up
Part of 9J4681 Hydraulic Tank & Filter Group shown on Page 205F

FILTER GP-TRANSMISSION

6P-4603 FILTER GP-TRANSMISSION

6P4603 FILTER GROUP--2 Required
Note: One Required for Transmission and one required for the pilot valve in the
Hydraulic System

HYDRAULIC GP

2V-6793 HYDRAULIC AR

2V6793 HYDRAULIC ARRANGEMENT--3 Valve
Also part of 2V6792 Logging Arrangement listed on Page 256
AN ATTACHMENT

3V-6657 HYDRAULIC AR

3V6657 HYDRAULIC ARRANGEMENT
Part of 3V6660 Logging Arrangement listed on Page 256A
AN ATTACHMENT

KICKOUT & POSITIONER GP

BUCKET POSITIONER GROUP

1V-8749 BUCKET POSITIONER GROUP

1V8749 BUCKET POSITIONER GROUP
Serial No. 50W1 to 50W1576 inclusive

BUCKET POSITIONER GROUP

1V-8749 BUCKET POSITIONER GROUP

1V8749 BUCKET POSITIONER GROUP
Serial No. 50W1577 to 50W3345 inclusive

BUCKET POSITIONER GROUP

1V-8749 BUCKET POSITIONER GROUP

1V8749 BUCKET POSITIONER GROUP
Serial No. 50W3346 to 50W4637 inclusive

BUCKET POSITIONER AND KICKOUT GROUP

1V-4858 BUCKET POSITIONER AND KICKOUT GROUP

1V4858 BUCKET POSITIONER AND KICKOUT GROUP
Serial No. 50W1 to 50W3295 inclusive
2V9140 Harness parts are shown on Page 247

BUCKET POSITIONER AND KICKOUT GROUP

1V-4858 BUCKET POSITIONER AND KICKOUT GROUP

1V4858 BUCKET POSITIONER AND KICKOUT GROUP
Serial No. 50W3296 to 50W4637 inclusive
5V2956 Harness parts are shown on Page 247B

KICKOUT & POSITIONER GP

7V-0598 KICKOUT & POSITIONER GP

7V598 POSITIONER AND KICKOUT GROUP--Part 1 of 2
Serial No. 50W4638-Up

KICKOUT & POSITIONER GP

7V-0598 KICKOUT & POSITIONER GP

7V598 POSITIONER AND KICKOUT GROUP--Part 2 of 2
Serial No. 50W4638-Up

POSITIONER GP

1V-4920 POSITIONER GP

1V4920 LIFT ARM POSITIONER GROUP
Serial No. 50W1 to 50W1017 inclusive

POSITIONER GP

1V-4920 POSITIONER GP

1V4920 LIFT ARM POSITIONER GROUP
Serial No. 50W1018 to 50W2138 inclusive

POSITIONER GP

1V-4920 POSITIONER GP

1V4920 LIFT ARM POSITIONER GROUP
Serial No. 50W2139 to 50W4637 inclusive

LINES GP-CYLINDER

LINES GP-TILT CYLINDER

1V-4965 LINES GP-TILT CYLINDER

1V4965 TILT CYLINDER LINES GROUP--Part 1 of 2
Serial No. 50W1 to 50W453 inclusive

LINES GP-TILT CYLINDER

1V-4965 LINES GP-TILT CYLINDER

1V4965 TILT CYLINDER LINES GROUP--Part 2 of 2
Serial No. 50W1 to 50W453 inclusive

LINES GP-CYLINDER

1V-4965 LINES GP-CYLINDER

1V4965 TILT CYLINDER LINES GROUP--Part 1 of 2
Serial No. 50W454 to 50W3433 inclusive

LINES GP-CYLINDER

1V-4965 LINES GP-CYLINDER

1V4965 TILT CYLINDER LINES GROUP--Part 2 of 2
Serial No. 50W454 to 50W3433 inclusive

LINES GP-CYLINDER

1V-4965 LINES GP-CYLINDER

1V4965 TILT CYLINDER LINES GROUP--Part 1 of 2
Serial No. 50W3434-Up

LINES GP-CYLINDER

1V-4965 LINES GP-CYLINDER

1V4965 TILT CYLINDER LINES GROUP--Part 2 of 2
Serial No. 50W3434-Up

LINES GP-TILT CYLINDER

1V-4879 LINES GP-TILT CYLINDER

1V4879 TILT CYLINDER LINES GROUP--Part 1 of 2
Part of 3V6657 Hydraulic Arrangement listed on Page 208A
AN ATTACHMENT

LINES GP-TILT CYLINDER

1V-4879 LINES GP-TILT CYLINDER

1V4879 TILT CYLINDER LINES GROUP--Part 2 of 2
Part of 3V6657 Hydraulic Arrangement listed on Page 208A
AN ATTACHMENT

LINES GP-TILT CYLINDER

1V-4879 LINES GP-TILT CYLINDER

1V4879 TILT CYLINDER LINES GROUP--Part 1 of 2--Type 2
Part of 3V6657 Hydraulic Arrangement listed on Page 208A
AN ATTACHMENT

LINES GP-TILT CYLINDER

1V-4879 LINES GP-TILT CYLINDER

1V4879 TILT CYLINDER LINES GROUP--Part 2 of 2--Type 2
Part of 3V6657 Hydraulic Arrangement listed on Page 208A
AN ATTACHMENT

LINES GP-LIFT CYLINDER

1V-4964 LINES GP-LIFT CYLINDER

1V4964 LIFT CYLINDER LINES GROUP--Part 1 of 2
Serial No. 50W1 to 50W647 inclusive

LINES GP-LIFT CYLINDER

1V-4964 LINES GP-LIFT CYLINDER

1V4964 LIFT CYLINDER LINES GROUP--Part 2 of 2
Serial No. 50W1 to 50W647 inclusive

LINES GP-LIFT CYLINDER

1V-4964 LINES GP-LIFT CYLINDER

1V4964 LIFT CYLINDER LINES GROUP--Part 1 of 2
Serial No. 50W648-Up

LINES GP-LIFT CYLINDER

1V-4964 LINES GP-LIFT CYLINDER

1V4964 LIFT CYLINDER LINES GROUP--Part 2 of 2
Serial No. 50W648-Up

LINES GP-FRONT

LINES GP-FRONT HYDRAULIC

3V-0726 LINES GP-FRONT HYDRAULIC

3V726 FRONT LINES GROUP--Part 1 of 2
Part of 2V6793 Hydraulic Arrangement listed on Page 208
AN ATTACHMENT

LINES GP-FRONT HYDRAULIC

3V-0726 LINES GP-FRONT HYDRAULIC

3V726 FRONT LINES GROUP--Part 2 of 2
Part of 2V6793 Hydraulic Arrangement listed on Page 208
AN ATTACHMENT

LINES GP-FRONT

1V-4878 LINES GP-FRONT

1V4878 FRONT LINES GROUP--Part 1 of 2
Part of 3V6657 Hydraulic Arrangement listed on Page 208A
AN ATTACHMENT

LINES GP-FRONT

1V-4878 LINES GP-FRONT

1V4878 FRONT LINES GROUP--Part 2 of 2
Part of 3V6657 Hydraulic Arrangement listed on Page 208A
AN ATTACHMENT

LINES GP-HYDRAULIC

LINES & VALVE GP

1V-4877 LINES & VALVE GP

1V4877 LINES AND VALVE GROUP--Type 1
Part of 2V6793 and 3V6657 Hydraulic Arrangements listed on Pages 208 and 208A
3G2627 and 8J2293 Valve parts are shown on Pages 208 and 210
AN ATTACHMENT

LINES & VALVE GP

1V-4877 LINES & VALVE GP

1V4877 LINES AND VALVE GROUP--Type 2
Part of 2V6793 and 3V6657 Hydraulic Arrangements listed on Pages 208 and 208A
8J2293 Valve parts are shown on Page 210. AN ATTACHMENT

LINES & VALVE GP

1V-4877 LINES & VALVE GP

1V4877 LINES AND VALVE GROUP--Type 3
Part of 2V6793 and 3V6657 Hydraulic Arrangements listed on Pages 208 and 208A
8J2293 Valve parts are shown on Page 210. AN ATTACHMENT

LINES & VALVE GP

1V-4877 LINES & VALVE GP

1V4877 LINES AND VALVE GROUP--Type 4
Part of 2V6793 and 3V6657 Hydraulic Arrangements listed on Pages 208 and 208A
8J2293 Valve parts are shown on Page 210. AN ATTACHMENT

LINES & VALVE GP

1V-4877 LINES & VALVE GP

1V4877 LINES AND VALVE GROUP--Type 5
Replaced by 7V627 Lines and Valve Group shown on Page 209E
Part of 2V6793 and 3V6657 Hydraulic Arrangements listed on Pages 208 & 208A
8J2293 Valve parts are shown on Page 210. AN ATTACHMENT

VALVE & LINES GP

7V-0627 VALVE & LINES GP

7V627 LINES AND VALVE GROUP
Serial No. 50W5036-Up
Part of 2V6793 and 3V6657 Hydraulic Arrangement listed on Pages 208 and 208A
1U2009 Valve parts are shown on Page 209F. AN ATTACHMENT

HYDRAULIC LINES AND VALVE GROUP

1V-4854 HYDRAULIC LINES AND VALVE GROUP

1V4854 HYDRAULIC LINES AND VALVE GROUP--Top View Part 1 of 2
Serial No. 50W1 to 50W303 inclusive
8J2602 and 8J2292 Valve parts are shown on Pages 214, 215 and 216

HYDRAULIC LINES AND VALVE GROUP

1V-4854 HYDRAULIC LINES AND VALVE GROUP

1V4854 HYDRAULIC LINES AND VALVE GROUP--Side View Part 2 of 2
Serial No. 50W1 to 50W303 inclusive
8J2312 Valve parts are shown on Page 214

HYDRAULIC LINES AND VALVE GROUP

1V-4854 HYDRAULIC LINES AND VALVE GROUP

1V4854 HYDRAULIC LINES AND VALVE GROUP--Top View Part 1 of 2
Serial No. 50W304 to 50W469 inclusive
8J2602, 3G3310 and 8J2292 Valve parts are shown on Pages 214, 215B and 216

HYDRAULIC LINES AND VALVE GROUP

1V-4854 HYDRAULIC LINES AND VALVE GROUP

1V4854 HYDRAULIC LINES AND VALVE GROUP--Side View Part 2 of 2
Serial No. 50W304 to 50W469 inclusive

HYDRAULIC LINES AND VALVE GROUP

1V-4854 HYDRAULIC LINES AND VALVE GROUP

1V4854 HYDRAULIC LINES AND VALVE GROUP--Top View Part 1 of 2
Serial No. 50W470 to 50W1123 inclusive. 8J2602, 3G3310 and 8J2292 Valve
parts are shown on Pages 214, 215B and 216

HYDRAULIC LINES AND VALVE GROUP

1V-4854 HYDRAULIC LINES AND VALVE GROUP

1V4854 HYDRAULIC LINES AND VALVE GROUP--Side View Part 2 of 2
Serial No. 50W470 to 50W1123 inclusive

HYDRAULIC AND VALVE GROUP

1V-4854 HYDRAULIC AND VALVE GROUP

1V4854 HYDRAULIC AND VALVE GROUP--Top View Part 1 of 2
Serial No. 50W1124 to 50W2694 inclusive
8J2602, 3G3310 and 8J2292 Valve parts are shown on Pages 214, 215B and 216

HYDRAULIC AND VALVE GROUP

1V-4854 HYDRAULIC AND VALVE GROUP

1V4854 HYDRAULIC LINES AND VALVE GROUP--Side View Part 2 of 2
Serial No. 50W1124 to 50W2694 inclusive

HYDRAULIC LINES AND VALVE GROUP

1V-4854 HYDRAULIC LINES AND VALVE GROUP

1V4854 HYDRAULIC LINES AND VALVE GROUP--Top View Part 1 of 2
Serial No. 50W2695 to 50W3773 inclusive
8J2602, 3G3310 and 8J2292 Valve parts are shown on Pages 214, 215B & 216

HYDRAULIC LINES AND VALVE GROUP

1V-4854 HYDRAULIC LINES AND VALVE GROUP

1V4854 HYDRAULIC LINES AND VALVE GROUP--Side View Part 2 of 2
Serial No. 50W2695 to 50W3773 inclusive

HYDRAULIC LINES AND VALVE GROUP

1V-4854 HYDRAULIC LINES AND VALVE GROUP

1V4854 HYDRAULIC LINES AND VALVE GROUP--Top View Part 1 of 2
Serial No. 50W3774 to 50W4172 inclusive
8J2602, 3G3310 and 8J2292 Valve parts are shown on Pages 214, 215B & 216

HYDRAULIC LINES AND VALVE GROUP

1V-4854 HYDRAULIC LINES AND VALVE GROUP

1V4854 HYDRAULIC LINES AND VALVE GROUP--Side View Part 2 of 2
Serial No. 50W3774 to 50W4172 inclusive

HYDRAULIC LINES AND VALVE GROUP

1V-4854 HYDRAULIC LINES AND VALVE GROUP

1V4854 HYDRAULIC LINES AND VALVE GROUP--Top View Part 1 of 2
Serial No. 50W4173 to 50W5035 inclusive
8J2602, 3G3310 and 8J2292 Valve parts are shown on Pages 214, 215B & 216

HYDRAULIC LINES AND VALVE GROUP

1V-4854 HYDRAULIC LINES AND VALVE GROUP

1V4854 HYDRAULIC LINES AND VALVE GROUP--Side View Part 2 of 2
Serial No. 50W4173 to 50W5035 inclusive

VALVE & LINES GP

7V-0366 VALVE & LINES GP

7V366 LINES AND VALVE GROUP--Top View Part 1 of 2
Serial No. 50W5036-Up
1U2010, 1U1100, 8J2602 and 3G3310 Valve parts are shown on
Pages 213Q, 213R, 214 and 215B

VALVE & LINES GP

7V-0366 VALVE & LINES GP

7V366 LINES AND VALVE GROUP--Side View--Part 2 of 2
Serial No. 50W5036-Up

LINES GP-FRONT HYDRAULIC

3V-0726 LINES GP-FRONT HYDRAULIC

3V726 FRONT LINES GROUP--Part 1 of 2
Part of 2V6793 Hydraulic Arrangement listed on Page 208
AN ATTACHMENT

LINES GP-FRONT HYDRAULIC

3V-0726 LINES GP-FRONT HYDRAULIC

3V726 FRONT LINES GROUP--Part 2 of 2
Part of 2V6793 Hydraulic Arrangement listed on Page 208
AN ATTACHMENT

LINES GP-FRONT

1V-4878 LINES GP-FRONT

1V4878 FRONT LINES GROUP--Part 1 of 2
Part of 3V6657 Hydraulic Arrangement listed on Page 208A
AN ATTACHMENT

LINES GP-FRONT

1V-4878 LINES GP-FRONT

1V4878 FRONT LINES GROUP--Part 2 of 2
Part of 3V6657 Hydraulic Arrangement listed on Page 208A
AN ATTACHMENT

LINES GP-PUMP-HYDRAULIC

1V-4968 LINES GP-PUMP-HYDRAULIC

1V4968 HYDRAULIC PUMP LINES GROUP--Part 1 of 2
Serial No. 50W1 to 50W2314 inclusive

LINES GP-PUMP-HYDRAULIC

1V-4968 LINES GP-PUMP-HYDRAULIC

1V4968 HYDRAULIC PUMP LINES GROUP--Part 2 of 2
Serial No. 50W1 to 50W2314 inclusive
3G839 Oil Filter parts are shown on Page 166D

LINES GP-PUMP-HYDRAULIC

1V-4968 LINES GP-PUMP-HYDRAULIC

1V4968 HYDRAULIC PUMP LINES GROUP--Part 1 of 2
Serial No. 50W2315-Up

LINES GP-PUMP-HYDRAULIC

1V-4968 LINES GP-PUMP-HYDRAULIC

1V4968 HYDRAULIC PUMP LINES GROUP--Part 2 of 2
Serial No. 50W2315-Up
3G839 Filter parts are shown on Page 167

LINES GP-PILOT

PILOT LINES GROUP

1V-4967 PILOT LINES GROUP

1V4967 PILOT LINES GROUP--Part 1 of 2
Serial No. 50W1 to 50W285 inclusive
8J7405 Valve parts are shown on Page 228

PILOT LINES GROUP

1V-4967 PILOT LINES GROUP

1V4967 PILOT LINES GROUP--Part 2 of 2
Serial No. 50W1 to 50W285 inclusive

PILOT LINES GROUP

1V-4967 PILOT LINES GROUP

1V4967 PILOT LINES GROUP--Part 1 of 2
Serial No. 50W286 to 50W2694 inclusive
8J7405 Valve parts are shown on Page 228

PILOT LINES GROUP

1V-4967 PILOT LINES GROUP

1V4967 PILOT LINES GROUP--Part 2 of 2
Serial No. 50W286 to 50W2694 inclusive

PILOT LINES GROUP

1V-4967 PILOT LINES GROUP

1V4967 PILOT LINES GROUP--Part 1 of 2
Serial No. 50W2695 to 50W5035 inclusive
8J7405 Valve parts are shown on Page 228

PILOT LINES GROUP

1V-4967 PILOT LINES GROUP

1V4967 PILOT LINES GROUP--Part 2 of 2
Serial No. 50W2695 to 50W5035 inclusive

LINES GP-PILOT

7V-0367 LINES GP-PILOT

7V367 PILOT LINES GROUP--Part 1 of 2--Type 1
Serial No. 50W5036-Up
8J7405 Valve parts are shown on Page 228

LINES GP-PILOT

7V-0367 LINES GP-PILOT

7V367 PILOT LINES GROUP--Part 2 of 2--Type 1
Serial No. 50W5036-Up

LINES GP-PILOT

7V-0367 LINES GP-PILOT

7V367 PILOT LINES GROUP--Part 1 of 2--Type 2
Serial No. 50W5036-Up
8J7405 Valve parts are shown on Page 228

LINES GP-PILOT

7V-0367 LINES GP-PILOT

7V367 PILOT LINES GROUP--Part 2 of 2--Type 2
Serial No. 50W5036-Up

PUMP GP

PUMP GP-GEAR

1V-5143 PUMP GP-GEAR

1V5143 IMPLEMENT PUMP GROUP
9J809 Pump parts are shown on Page 238

PUMP GP-GEAR

9J-0809 PUMP GP-GEAR

9J809 GEAR PUMP GROUP
Part of 1V5143 Gear Pump Group shown on Page 237

PUMP GP-GEAR

1V-4881 PUMP GP-GEAR

1V4881 GEAR PUMP GROUP
Part of 3V6657 Hydraulic Arrangement listed on Page 208A
3G2640 Pump parts are shown on Page 238B

PUMP GP-GEAR

3G-2640 PUMP GP-GEAR

3G2640 GEAR PUMP GROUP
Part of 1V4881 Gear Pump Group shown on Page 238A

TANK GP

TANK & FILTER GP

9J-4681 TANK & FILTER GP

9J4681 HYDRAULIC TANK AND FILTER GROUP--Part 1 of 3
Serial No. 50W1 to 50W285 inclusive
2V9095 Switch parts are shown on Page 77

TANK & FILTER GP

9J-4681 TANK & FILTER GP

9J4681 HYDRAULIC TANK AND FILTER GROUP--Part 2 of 3
Serial No. 50W1 to 50W285 inclusive

TANK & FILTER GP

9J-4681 TANK & FILTER GP

9J4681 HYDRAULIC TANK AND FILTER GROUP--Part 3 of 3
Serial No. 50W1 to 50W285 inclusive

TANK & FILTER GP

9J-4681 TANK & FILTER GP

9J4681 HYDRAULIC TANK AND FILTER GROUP--Part 1 of 3
Serial No. 50W286 to 50W536 inclusive
2V9095 Switch parts are shown on Page 77

TANK & FILTER GP

9J-4681 TANK & FILTER GP

9J4681 HYDRAULIC TANK AND FILTER GROUP--Part 2 of 3
Serial No. 50W286 to 50W536 inclusive
5D1900 Cover parts are shown on Page 206

TANK & FILTER GP

9J-4681 TANK & FILTER GP

9J4681 HYDRAULIC TANK AND FILTER GROUP--Part 3 of 3
Serial No. 50W286 to 50W536 inclusive

TANK & FILTER GP

9J-4681 TANK & FILTER GP

9J4681 HYDRAULIC TANK AND FILTER GROUP--Part 1 of 3
Serial No. 50W537-Up
2V9095 Switch parts are shown on Page 77

TANK & FILTER GP

9J-4681 TANK & FILTER GP

9J4681 HYDRAULIC TANK AND FILTER GROUP--Part 2 of 3
Serial No. 50W537-Up

TANK & FILTER GP

9J-4681 TANK & FILTER GP

9J4681 HYDRAULIC TANK AND FILTER GROUP--Part 3 of 3
Serial No. 50W537-Up
3G7232 By-Pass parts are shown on Page 206

COVER GP-PROTECTION

5D-1900 COVER GP-PROTECTION

5D1900 PROTECTION COVER GROUP--Hydraulic Tank Cap--Replaced by 6G8390
Also part of 9J4681 Hydraulic Tank & Filter Group shown on Page 206A
AN ATTACHMENT

COVERS GP-PROTECTION

6G-8390 COVERS GP-PROTECTION

6G8390 HYDRAULIC TANK CAP PROTECTION COVER GROUP
AN ATTACHMENT

MOUNTING GP-HYDRAULIC TANK

1V-4969 MOUNTING GP-HYDRAULIC TANK

1V4969 HYDRAULIC TANK MOUNTING GROUP

VALVE GP-CONTROL

LINES & VALVE GP

1V-4877 LINES & VALVE GP

1V4877 LINES AND VALVE GROUP--Type 1
Part of 2V6793 and 3V6657 Hydraulic Arrangements listed on Pages 208 and 208A
3G2627 and 8J2293 Valve parts are shown on Pages 208 and 210
AN ATTACHMENT

LINES & VALVE GP

1V-4877 LINES & VALVE GP

1V4877 LINES AND VALVE GROUP--Type 2
Part of 2V6793 and 3V6657 Hydraulic Arrangements listed on Pages 208 and 208A
8J2293 Valve parts are shown on Page 210. AN ATTACHMENT

LINES & VALVE GP

1V-4877 LINES & VALVE GP

1V4877 LINES AND VALVE GROUP--Type 3
Part of 2V6793 and 3V6657 Hydraulic Arrangements listed on Pages 208 and 208A
8J2293 Valve parts are shown on Page 210. AN ATTACHMENT

LINES & VALVE GP

1V-4877 LINES & VALVE GP

1V4877 LINES AND VALVE GROUP--Type 4
Part of 2V6793 and 3V6657 Hydraulic Arrangements listed on Pages 208 and 208A
8J2293 Valve parts are shown on Page 210. AN ATTACHMENT

LINES & VALVE GP

1V-4877 LINES & VALVE GP

1V4877 LINES AND VALVE GROUP--Type 5
Replaced by 7V627 Lines and Valve Group shown on Page 209E
Part of 2V6793 and 3V6657 Hydraulic Arrangements listed on Pages 208 & 208A
8J2293 Valve parts are shown on Page 210. AN ATTACHMENT

VALVE & LINES GP

7V-0627 VALVE & LINES GP

7V627 LINES AND VALVE GROUP
Serial No. 50W5036-Up
Part of 2V6793 and 3V6657 Hydraulic Arrangement listed on Pages 208 and 208A
1U2009 Valve parts are shown on Page 209F. AN ATTACHMENT

VALVE GP-CONTROL

1U-2009 VALVE GP-CONTROL

1U2009 CONTROL VALVE GROUP
Serial No. 50W5036-Up. Part of 7V627 Lines and Valve Group shown on Page 209E
3G2644, 8J5506 & 8J5794 Valve parts are shown on Pages 211, 211A & 211B. AN ATTACHMENT

VALVE GP-CONTROL

8J-2293 VALVE GP-CONTROL

8J2293 CONTROL VALVE GROUP
Part of 1V4877 Lines and Valve Group shown on Pages 209, 209A, 209B and 209D
3G2644, 8J5506 & 8J5794 Valve parts are shown on Pages 211, 211A and 211B
AN ATTACHMENT

VALVE GP

8J-5794 VALVE GP

8J5794 VALVE GROUP
Part of 8J2293 Control Valve Group shown on Page 210
AN ATTACHMENT

HYDRAULIC LINES AND VALVE GROUP

1V-4854 HYDRAULIC LINES AND VALVE GROUP

1V4854 HYDRAULIC LINES AND VALVE GROUP--Top View Part 1 of 2
Serial No. 50W1 to 50W303 inclusive
8J2602 and 8J2292 Valve parts are shown on Pages 214, 215 and 216

HYDRAULIC LINES AND VALVE GROUP

1V-4854 HYDRAULIC LINES AND VALVE GROUP

1V4854 HYDRAULIC LINES AND VALVE GROUP--Side View Part 2 of 2
Serial No. 50W1 to 50W303 inclusive
8J2312 Valve parts are shown on Page 214

HYDRAULIC LINES AND VALVE GROUP

1V-4854 HYDRAULIC LINES AND VALVE GROUP

1V4854 HYDRAULIC LINES AND VALVE GROUP--Top View Part 1 of 2
Serial No. 50W304 to 50W469 inclusive
8J2602, 3G3310 and 8J2292 Valve parts are shown on Pages 214, 215B and 216

HYDRAULIC LINES AND VALVE GROUP

1V-4854 HYDRAULIC LINES AND VALVE GROUP

1V4854 HYDRAULIC LINES AND VALVE GROUP--Side View Part 2 of 2
Serial No. 50W304 to 50W469 inclusive

HYDRAULIC LINES AND VALVE GROUP

1V-4854 HYDRAULIC LINES AND VALVE GROUP

1V4854 HYDRAULIC LINES AND VALVE GROUP--Top View Part 1 of 2
Serial No. 50W470 to 50W1123 inclusive. 8J2602, 3G3310 and 8J2292 Valve
parts are shown on Pages 214, 215B and 216

HYDRAULIC LINES AND VALVE GROUP

1V-4854 HYDRAULIC LINES AND VALVE GROUP

1V4854 HYDRAULIC LINES AND VALVE GROUP--Side View Part 2 of 2
Serial No. 50W470 to 50W1123 inclusive

HYDRAULIC AND VALVE GROUP

1V-4854 HYDRAULIC AND VALVE GROUP

1V4854 HYDRAULIC AND VALVE GROUP--Top View Part 1 of 2
Serial No. 50W1124 to 50W2694 inclusive
8J2602, 3G3310 and 8J2292 Valve parts are shown on Pages 214, 215B and 216

HYDRAULIC AND VALVE GROUP

1V-4854 HYDRAULIC AND VALVE GROUP

1V4854 HYDRAULIC LINES AND VALVE GROUP--Side View Part 2 of 2
Serial No. 50W1124 to 50W2694 inclusive

HYDRAULIC LINES AND VALVE GROUP

1V-4854 HYDRAULIC LINES AND VALVE GROUP

1V4854 HYDRAULIC LINES AND VALVE GROUP--Top View Part 1 of 2
Serial No. 50W2695 to 50W3773 inclusive
8J2602, 3G3310 and 8J2292 Valve parts are shown on Pages 214, 215B & 216

HYDRAULIC LINES AND VALVE GROUP

1V-4854 HYDRAULIC LINES AND VALVE GROUP

1V4854 HYDRAULIC LINES AND VALVE GROUP--Side View Part 2 of 2
Serial No. 50W2695 to 50W3773 inclusive

HYDRAULIC LINES AND VALVE GROUP

1V-4854 HYDRAULIC LINES AND VALVE GROUP

1V4854 HYDRAULIC LINES AND VALVE GROUP--Top View Part 1 of 2
Serial No. 50W3774 to 50W4172 inclusive
8J2602, 3G3310 and 8J2292 Valve parts are shown on Pages 214, 215B & 216

HYDRAULIC LINES AND VALVE GROUP

1V-4854 HYDRAULIC LINES AND VALVE GROUP

1V4854 HYDRAULIC LINES AND VALVE GROUP--Side View Part 2 of 2
Serial No. 50W3774 to 50W4172 inclusive

HYDRAULIC LINES AND VALVE GROUP

1V-4854 HYDRAULIC LINES AND VALVE GROUP

1V4854 HYDRAULIC LINES AND VALVE GROUP--Top View Part 1 of 2
Serial No. 50W4173 to 50W5035 inclusive
8J2602, 3G3310 and 8J2292 Valve parts are shown on Pages 214, 215B & 216

HYDRAULIC LINES AND VALVE GROUP

1V-4854 HYDRAULIC LINES AND VALVE GROUP

1V4854 HYDRAULIC LINES AND VALVE GROUP--Side View Part 2 of 2
Serial No. 50W4173 to 50W5035 inclusive

VALVE & LINES GP

7V-0366 VALVE & LINES GP

7V366 LINES AND VALVE GROUP--Top View Part 1 of 2
Serial No. 50W5036-Up
1U2010, 1U1100, 8J2602 and 3G3310 Valve parts are shown on
Pages 213Q, 213R, 214 and 215B

VALVE & LINES GP

7V-0366 VALVE & LINES GP

7V366 LINES AND VALVE GROUP--Side View--Part 2 of 2
Serial No. 50W5036-Up

VALVE GP-CONTROL

1U-2010 VALVE GP-CONTROL

1U2010 CONTROL VALVE GROUP
Serial No. 50W5036-Up
Part of 7V366 Lines and Valve Group shown on Page 213N
8J5506, 8J3630 & 8J5792 Valve parts are shown on Pages 211, 211A, 215, 215A & 215B

VALVE GP-CONTROL

8J-2292 VALVE GP-CONTROL

8J2292 CONTROL VALVE GROUP -- Tilt and Lift
Serial No. 50W1 to 50W285 inclusive. Part of 1V4854 Lines and Valve Group shown on
Page 212. 8J2294 and 9J4086 Control Valve parts are shown on Pages 217 and 218

VALVE GP

8J-5792 VALVE GP

8J5792 VALVE GROUP
Serial No. 50W286-Up
Part of 8J2292 Control Valve Group shown on Page 216

VALVE GP-CONTROL

8J-2292 VALVE GP-CONTROL

8J2292 CONTROL VALVE GROUP -- Tilt & Lift
Serial No. 50W286-Up
Part of 1V4854 Lines and Valve Group shown on Pages 212, 213A, 213C, 213E & 213G
8J5506, 8J3630 & 8J5792 Valve parts are shown on Pages 211, 211A, 215, 215A & 215B

CONTROL VALVE GROUP

8J-2294 CONTROL VALVE GROUP

8J2294 CONTROL VALVE GROUP--Tilt
Serial No. 50W1 to 50W285 inclusive
Part of 8J2292 Control Valve Group shown on Page 215
8J5506 and 8J3630 Valve parts are shown on Pages 211, 211A, 215 & 215A

CONTROL VALVE GROUP

9J-4086 CONTROL VALVE GROUP

9J4086 CONTROL VALVE GROUP--Lift
Serial No. 50W1 to 50W285 inclusive
Part of 8J2292 Control Valve Group shown on Page 215

VALVE GP-MANIFOLD

VALVE GP-MANIFOLD & RELIEF

3G-3460 VALVE GP-MANIFOLD & RELIEF

3G3460 MANIFOLD AND RELIEF VALVE GROUP
Part of 3V6657 Hydraulic Arrangement listed on Page 208A
3G2627 Valve parts are shown on Page 208. AN ATTACHMENT

VALVE GP

3G-3310 VALVE GP

3G3310 MANIFOLD AND RELIEF VALVE GROUP
Serial No. 50W304-Up. Part of 1V3854 Hydraulic Lines and Valve Group shown on
Pages 213A, 213C & 213E. 8J2312 Valve parts are shown on Page 214

VALVE GP-PILOT

VALVE GP

9J-4142 VALVE GP

9J4142 PILOT CONTROL VALVE GROUP--Tilt & Lift
Part of 1V4903 Hydraulic Control Group shown on Page 240
9J4138 and 9J4944 Valve parts are shown on Page 242

VALVE GP-PILOT

9J-4138 VALVE GP-PILOT

9J4138 PILOT VALVE GROUP--Lift
Part of 9J4142 and 9J5730 Valve Groups shown on Pages 239 and 244

VALVE GP-PILOT

9J-4944 VALVE GP-PILOT

9J4944 PILOT VALVE GROUP--Tilt & Log Fork
Part of 9J4142 and 9J5730 Valve Groups shown on Pages 239 and 244

VALVE GP

9J-5730 VALVE GP

9J5730 PILOT VALVE GROUP--Tilt, Lift and Log Fork
Part of 1V4893 Hydraulic Control Group shown on Page 243. 9J4138 and 9J4944 Valve
parts are shown on Page 242. AN ATTACHMENT

VALVE GP-PRESSURE REDUCING

VALVE GP-PRESSURE REDUCING

1U-1100 VALVE GP-PRESSURE REDUCING

1U1100 PRESSURE REDUCING VALVE GROUP
Serial No. 50W5036-Up
Part of 7V366 Lines and Valve Group shown on Page 213N

VALVE GP-RELIEF

VALVE GP-RELIEF

3G-2627 VALVE GP-RELIEF

3G2627 PILOT OPERATED RELIEF VALVE GROUP
Part of 1V4877 Lines and Valve Group shown on Page 209
AN ATTACHMENT

VALVE GP-MANIFOLD & RELIEF

3G-3460 VALVE GP-MANIFOLD & RELIEF

3G3460 MANIFOLD AND RELIEF VALVE GROUP
Part of 3V6657 Hydraulic Arrangement listed on Page 208A
3G2627 Valve parts are shown on Page 208. AN ATTACHMENT

VALVE GP-PITCH RELIEF

3G-2644 VALVE GP-PITCH RELIEF

3G2644 PILOT OPERATED RELIEF VALVE GROUP--4000 PSI--Type 1
Part of 8J2293 Control Valve Group shown on Page 210
AN ATTACHMENT

VALVE GP-RELIEF

8J-5506 VALVE GP-RELIEF

8J5506 RELIEF VALVE GROUP--2100 PSI--Type 1
Part of 8J2293, 8J2292 and 8J2294 Control Valve Groups
shown on Pages 210, 216 and 217

VALVE GP-PITCH RELIEF

3G-2644 VALVE GP-PITCH RELIEF

3G2644 PILOT OPERATED RELIEF VALVE GROUP--4000 PSI--Type 2
Part of 8J2293 Control Valve Group shown on Page 210. AN ATTACHMENT

VALVE GP-RELIEF

8J-5506 VALVE GP-RELIEF

8J5506 RELIEF VALVE GROUP--2100 PSI--Type 2
Part of 8J2293, 8J2292 and 8J2294 Control Valve Groups shown on
Pages 210, 216 and 217

VALVE GP-RELIEF

8J-2312 VALVE GP-RELIEF

8J2312 PILOT OPERATED RELIEF VALVE GROUP--Type 1
Part of 1V4854 Lines and Valve Group shown on Page 213

VALVE GP-RELIEF

8J-2312 VALVE GP-RELIEF

8J2312 PILOT OPERATED RELIEF VALVE GROUP--Type 2
Part of 1V4854 Lines and Valve Group shown on Page 213

VALVE GP-PITCH RELIEF

8J-3630 VALVE GP-PITCH RELIEF

8J3630 PILOT OPERATED RELIEF VALVE GROUP -- 3150 PSI -- Type 1
Part of 8J2292 and 8J2294 Control Valve Groups shown on
Pages 216 and 217

VALVE GP-PITCH RELIEF

8J-3630 VALVE GP-PITCH RELIEF

8J3630 PILOT OPERATED RELIEF VALVE GROUP--3150 PSI--Type 2
Part of 8J2292 and 8J2294 Control Valve Groups shown on Pages 216 & 217

VALVE GP

3G-3310 VALVE GP

3G3310 MANIFOLD AND RELIEF VALVE GROUP
Serial No. 50W304-Up. Part of 1V3854 Hydraulic Lines and Valve Group shown on
Pages 213A, 213C & 213E. 8J2312 Valve parts are shown on Page 214

VALVE GP-RELIEF

8J-7405 VALVE GP-RELIEF

8J7405 RELIEF VALVE GROUP
Part of 1V4967 Pilot Lines Group shown on Pages 222 and 224

VALVE GP-SELECTOR

VALVE GP-SELECTOR

8J-2602 VALVE GP-SELECTOR

8J2602 SELECTOR VALVE GROUP
Part of 1V4854 Lines and Valve Group shown on Page 212

Information:

(For parts list, see above)

HYDRAULIC SYSTEM

FILTER GP

Special Instruction

Guidelines for the Use of Clean Out Filters for the Hydraulic Oil System and for the Power Train Oil System{3067, 5068}
Guidelines for the Use of Clean Out Filters for the Hydraulic Oil System and for the Power Train Oil System{3067, 5068}

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