218-7270 77 mm Long Shaft
Cat® Front Gear Shaft
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Description
The front gear shaft is a key component responsible for transmitting rotational motion from the engine to the front gear group. It connects the engine to the front axle, distributing power and transmitting torque to the front wheels. With its robust construction and precise design, the shaft ensures efficient power transmission and reliable performance under a variety of driving conditions. It plays a key role in the overall function and drivability of the vehicle's front-wheel drive system.
Attributes
Designed to handle the high torque and forces generated by the engine.
Carefully engineered to minimize friction for smooth, efficient power transmission without unnecessary energy loss.
Carefully balanced to reduce vibration and ensure smooth operation
Highly resistant to rust and corrosion for longer service life and reliability.
Applications
The shaft transmits power generated by the engine to the front gear group, distributing torque and rotational force to the front wheels. Widely used in CAT, C13B, 953, C11, TH38, and TR43 powertrains, 14, 14M, 16, 16M, 18, and 18M motor graders, 2206, 2206D, 3512B, 3512C, 3516B, 3516C, C13, C15, C18, D350, D400, DE450, DE450S, DE500, DE500S, DE550, XQ350, XQ375, and XQ425 generator sets, 2206A, 2206D, 2206F, 2406, 2406J, 3126B, 3126E, C-9, C11, C13, C13B, and C15 engines (piston), 315C, 336D, 345, 345C, 345D, 725, 730C, 740, 966H, and TH35 OEM applications, 345C, 345D, 349, 349D, 349E, 349F, 352, 352F, 355, and 373 excavators, 345C, MH3260, TH220B, and W345C material handlers, 621, 621H, 621K, 623, 623H, 623K, 627, 627H, and 627K wheel tractor-scrapers, 706, 725, 730, 730B, and SEM3090F trucks, 725, 730, 730C, 735, and AD22 articulated trucks, 966H, 972H, 980, 980C, 980F, 980K, 980L, 980M, 982, 982M, R1600G, R1600H, R1700, R1700G, and SEM680D wheel loaders, C11, C13, and C13B power systems, C13, C15, C18, and C9.3 engine common platforms, D10N, D6R, D6T, D7RX, and D8N track-type tractors, MD5125, MD5150, and MD5150C drills, P450-6 generator sets – 2206 EU3a, and RM-300 paving equipment.
Specifications
| Inside Diameter | 22 mm (0.87 in) |
|---|---|
| Outside Diameter | 88 mm (3.46 in) |
| Overall Length | 77 mm (3.03 in) |
| Weight | 3.94 kg (8.67 lb) |
Compatible Equipment
- Motor Graders: 16M3, 16, 14, 18, 16M, 14M
- Track Loaders: 982
- Compactors: C13B
- Engines: C13, C11, C15, C18
- Dozers: D8N
- Excavators: 349F L, 3508B, 352, 355, 349, 345C, 349E L, 349D L, 345D L, 621H, 345C L, 352F, 349E, 345D, 621K, 349E L VG, 349D2 L, 349D2, 349D
- Wheel Loaders: 980M, 982M
- Off-Highway Trucks: 730, 725, 735
Additional information
| Machine Model | 14, 14M, 16, 16M, 16M3, 18, 345C, 345C L, 345D, 345D L, 349, 349D, 349D L, 349D2, 349D2 L, 349E, 349E L, 349E L VG, 349F L, 3508B, 352, 352F, 355, 621H, 621K, 725, 730, 735, 980M, 982, 982M, C11, C13, C13B, C15, C18, D8N |
|---|---|
| Equipment Type | Excavators, Wheel Loaders, Track Loaders, Dozers, Motor Graders, Off-Highway Trucks, Compactors, Engines |
| Part Source | Genuine OEM |







