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330GC travel motor
,378-9567 travel motor
,378-9568 travel motor
330GC travel motor 378-9568 378-9567 3789568 3789567 TQ Final Drive for Crawler excavator parts
The excavatortravel motor assembly is a critical component of the machine’s chassis system, responsible for supporting the entire weight and providing mobility. It typically consists of tracks, sprockets, idlers, rollers (carrier and track), and travel motors. The design of the undercarriage directly impacts the excavator’s stability, traction, and operational efficiency. A high-quality undercarriage ensures smooth movement across rough terrain, minimizes slippage and wear, and offers excellent durability for demanding applications in mining, construction, and agriculture.
| PRODUCT DESCRIPTION | |
| Model:Travel Motor 378-9568 378-9567 3789568 3789567 Final Drive for TQ 330gc | category:Excavator Travel MotorE |
| Brand:TQ | Place of Origin:Other Country |
| Condition:Original & Oem | Warranty: 12 months |
| MOQ: 1 pcs | Production Capacity: 1000pcs /Month |
| Standard or Nonstandard: Standard | Payment Term: L/C,T/T, Western Union, Tradeassurance |
| Delivery Time: 1-3 days (depend on order) | Means of Transport: By Sea, Air or DHL/FEDEX/TNT/EMS |
| Guarantee:We will check and send detailed pictures to buyers for confirmation | |
| TQERPILLAR SIS | |||
| Pos. | Part No | Qty | Parts name |
| 1 | 7Y-0752 B | [1] | SHIM (0.8-MM THK) |
| 7Y-0753 B | [1] | SHIM (1-MM THK) | |
| 7Y-0754 B | [1] | SHIM (1.6-MM THK) | |
| 4 | 094-0578 | [1] | PLATE (8-MM THK) |
| 5 | 094-0579 | [1] | PLATE (9-MM THK) |
| 6 | 094-0580 | [1] | PLATE (10-MM THK) |
| 7 | 094-1528 | [12] | WASHER (53X84X1-MM THK) |
| 8 | 114-1540 | [4] | PIN-DOWEL |
| 9 | 169-5589 | [1] | GEAR-SUN (24-TEETH) |
| 10 | 169-5590 | [1] | GEAR-SUN (24-TEETH) |
| 11 | 169-5592 | [3] | GEAR-PLANETARY (23-TEETH) |
| 12 | 169-5593 | [3] | GEAR-PLANETARY (23-TEETH) |
| 13 | 169-5601 | [3] | SHAFT-PLANETARY |
| 14 | 169-5602 | [3] | SHAFT-PLANETARY |
| 15 | 171-9387 | [1] | GEAR-RING (64-TEETH) |
| 16 | 191-2571 | [1] | CARRIER-PLANETARY |
| 17 | 191-2676 | [1] | GEAR-RING (72-TEETH) |
| 18 | 191-2683 | [1] | GEAR-SUN (20-TEETH) |
| 19 | 191-2684 | [3] | GEAR-PLANETARY (21-TEETH) |
| 20 | 191-2686 | [1] | CARRIER AS |
| 191-2687 | [3] | RACE-BEARING | |
| 21 | 191-2689 | [3] | WASHER (34X70X1-MM THK) |
| 22 | 191-2690 | [3] | WASHER (42.3X70X1-MM THK) |
| 23 | 199-4503 | [1] | COVER |
| 24 | 207-1571 | [1] | SEAL GP-DUO-CONE |
| 214-3570 | [2] | RING-TORIC | |
| 25 | 267-6798 | [1] | HOUSING |
| 26 | 267-6799 | [1] | CARRIER-PLANETARY |
| 27 | 267-6800 | [1] | GEAR-COUPLING |
| 28 | 267-6863 B | [1] | SHIM (0.75-MM THK) |
| 267-6864 B | [1] | SHIM (0.85-MM THK) | |
| 267-6865 B | [1] | SHIM (0.9-MM THK) | |
| 267-6866 B | [1] | SHIM (0.95-MM THK) | |
| 267-6867 B | [1] | SHIM (1.2-MM THK) | |
| 267-6868 B | [1] | SHIM (1.4-MM THK) | |
| 267-6869 B | [1] | SHIM (1.8-MM THK) | |
| 267-6870 B | [1] | SHIM (2-MM THK) | |
| 267-6871 B | [1] | SHIM (2.3-MM THK) | |
| 37 | 296-6248 | [3] | BEARING AS-ROLLER |
| 38 | 333-2914 | [2] | BALL BEARING |
| 39 | 333-2916 | [3] | BEARING AS |
| 40 | 333-2917 | [6] | BEARING AS |
| 41 | 367-8276 | [1] | HOUSING-MOTOR |
| 42 | 093-1731 | [2] | RING-RETAINING |
| 43 | 095-0891 | [6] | PIN-SPRING |
| 44 | 096-0433 | [3] | RING-RETAINING |
| 45 | 096-3216 M | [2] | SETSCREW-SOCKET (M12X1.75X12-MM) |
| 46 | 171-9298 | [1] | SEAL-O-RING |
| 47 | 179-8733 M | [16] | BOLT (M20X2.5X170-MM) |
| 48 | 3E-2338 | [2] | PLUG-PIPE (FINAL DRIVE, OIL DRAIN, FILL) |
| 49 | 7M-8485 | [2] | SEAL-O-RING |
| 50 | 7Y-0595 | [3] | SPACER (58X79.6X6-MM THK) |
| 51 | 7Y-5217 M | [16] | BOLT-SOCKET HEAD (M20X2.5X70-MM) |
| 52 | 8T-3282 | [16] | WASHER-HARD (22X35X3.5-MM THK) |
Main Components
The undercarriage consists of the following key parts:
-
Travel Motor (Hydraulic Motor): Supplies driving force by converting hydraulic energy into mechanical energy to rotate the tracks.
-
Track (Crawler Belt): Directly contacts the ground, providing traction and stability. Typically made of high-strength steel to adapt to different terrains.
-
Sprocket (Drive Wheel): Connects the travel motor to the track, transmitting power to move the track.
-
Idler Wheel (Guide Wheel): Guides the track’s movement and maintains proper alignment, usually located at the front.
-
Carrier Rollers (Bottom Rollers): Support the machine’s weight and distribute pressure evenly to reduce ground impact.
-
Track Rollers (Top Rollers): Support the upper part of the track, preventing sagging and ensuring smooth operation.
-
Track Frame (Undercarriage Frame): Supports and secures all components, ensuring structural stability.
-
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