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Part Number: 4P-3073 (4P3073)
The CAT 4P-3073 Clutch GP is a genuine Caterpillar clutch assembly used to transmit rotational power and ensure precise engagement control in CAT C12 engines. This group includes driving plates, hub, adjustment rings, pressure components, bearings and control hardware — all manufactured to OEM standards for mining, industrial and heavy-duty applications.
| Ref. No. | Part Number | Alternative Number | Qty | Part Name |
|---|---|---|---|---|
| 1 | 4L-3527 | 4L3527 | 2 | Plate — Clutch Driving |
| 2 | 5L-9652 | 5L9652 | 1 | Hub |
| 3 | 8B-7987 | 8B7987 | 1 | Key |
| 4 | 5L-9653 | 5L9653 | 1 | Nut |
| 5L-9654 | 5L9654 | 1 | Lock | |
| 5 | 3H-9571 | 3H9571 | 1 | Plate — Center |
| 6 | 5N-9317 | 5N9317 | 1 | Ring — Drive |
| 7 | 7F-8897 | 7F8897 | 1 | Plate |
| 8 | 3H-9572 | 3H9572 | 1 | Ring — Adjustment |
| 9 | 3H-9574 | 3H9574 | 1 | Sleeve |
| 10 | 4B-4754 | 4B4754 | 1 | Shaft — Governor Control |
| 6L-5151 | 6L5151 | 2 | Key — Woodruff | |
| 11 | 4B-4792 | 4B4792 | 1 | Yoke Assembly |
| 12 | 0S-1591 | 0S1591 | 2 | Bolt (3/8-16 × 1.5 in) |
| 3B-4506 | 3B4506 | 2 | Lockwasher | |
| 13 | 1A-1460 | 1A1460 | 6 | Bolt (1/2-13 × 2 in) |
| 5P-8245 | 5P8245 | 6 | Washer-Hard (13.5 × 25.5 × 3 mm) | |
| 14 | 5L-9655 | 5L9655 | 1 | Retainer — Bearing |
| 15 | 9S-1354 | 9S1354 | 1 | Nut (5/8-18) |
| 6F-0253 | 6F0253 | 1 | Lockwasher | |
| 16 | 4B-4716 | 4B4716 | 1 | Collar Assembly — Sleeve |
| 17 | 0L-0639 | 0L0639 | 2 | Bolt (3/8-24 × 2.25 in) |
| 2L-6267 | 2L6267 | 2 | Locknut | |
| 4B-4758 | 4B4758 | 2 | Shim | |
| 18 | 0S-1617 | 0S1617 | 1 | Bolt (5/16-18 × 0.75 in) |
| 3F-9556 | 3F9556 | 1 | Lockwasher | |
| 5B-2407 | 5B2407 | 1 | Lock | |
| 19 | 5B-2410 | 5B2410 | 1 | Hose Assembly (381 mm) |
| 20 | 4B-4721 | 4B4721 | 8 | Link |
| 6L-3967 | 6L3967 | 8 | Pin | |
| 3B-5301 | 3B5301 | 8 | Cotter | |
| 21 | 6L-3972 | 6L3972 | 4 | Pin |
| 3B-4627 | 3B4627 | 4 | Cotter | |
| 1L-4863 | 1L4863 | 8 | Washer — Spring | |
| 22 | 4H-0002 | 4H0002 | 4 | Lever |
| 23 | 108-3561 | 1083561 | 1 | Plate — Instruction (PTO) |
| 24 | 3N-8125 | 3N8125 | 1 | Plate Assembly — Pressure |
| 25 | 3N-8124 | 3N8124 | 1 | Spring — Lockpin |
| 3N-8123 | 3N8123 | 1 | Lockpin | |
| 26 | 8B-7121 | 8B7121 | 2 | Fitting — Hydraulic |
| 27 | 3N-4896 | 3N4896 | 1 | Shaft — Clutch |
| 28 | 1S-7443 | 1S7443 | 4 | Screw — Machine |
| 1H-3338 | 1H3338 | 4 | Lockwasher | |
| 29 | 6B-3223 | 6B3223 | 2 | Cup — Bearing |
| 30 | 4B-7270 | 4B7270 | 2 | Cone — Bearing |
| 31 | 4B-4810 | 4B4810 | 1 | Lever Assembly — Hand |
| 32 | 7F-8916 | 7F8916 | 1 | Carrier — Bearing |
| 33 | 3B-8489 | 3B8489 | 2 | Fitting — Grease |
| 34 | 7W-7155 | 7W7155 | 1 | Housing — Clutch |
| 35 | 108-3560 | 1083560 | 1 | Plate — Warning |
Explore our full CAT C12 spare parts catalog to find clutch components, drives, PTO systems, bearings and repair kits.
If the exact part you need is not shown — contact our specialists. We will identify and supply the correct OEM or compatible component using your part number, equipment model or technical documentation.
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