Part 449-125 is a replacement A-40 V-belt used in drive systems on compatible PowrLiner and PowrTwin equipment. This belt transfers power from the engine or motor to driven components such as pumps or drive wheels. When the original belt becomes worn, cracked, or stretched, replacement restores proper power transmission.
| Part Number | 449-125 |
|---|---|
| Part Description | Belt, V, A-40 |
| Brand | Universal |
| Fits | PowrLiner 4950; PowrLiner 6950; PowrLiner 6950_1; PowrLiner 8900 XLT SP; PowrLiner 8900 XLT; PowrLiner 8900; PowrTwin 4900 , 6900 , 8900, 12000 Plus; PowrTwin 6900 , 12000 Plus DI; PowrTwin 8900GH; PowrTwin 12000 Plus DI service; PowrTwin TM 8900 XLT |
| Condition | New |
The 449-125 A-40 V-belt is a direct replacement drive belt for PowrLiner 4950, 6950, 6950_1, 8900 XLT SP, 8900 XLT, 8900, and multiple PowrTwin models including 4900/6900/8900/12000 Plus, 6900/12000 Plus DI, 8900GH, 12000 Plus DI service, and TM 8900 XLT. This classical A-section V-belt has a nominal length of 40 inches and is designed to transfer power efficiently from the engine or motor to driven components such as hydraulic pumps, drive wheels, or other accessories. The belt features a reinforced construction with tensile cords to handle the loads and flexing encountered during operation. A worn or damaged belt can slip, squeal, or break, resulting in loss of drive power, overheating, and potential damage to other components. This replacement belt is manufactured to meet or exceed original specifications for length, width, and construction. Installation requires proper tensioning and alignment of pulleys. Regular inspection of belts helps identify wear, cracking, or glazing before they cause failure.
| Type | Classical A-section V-belt |
|---|---|
| Size | A-40 (40 inch nominal length) |
| Construction | Reinforced with tensile cords |
| Cracked / frayed | Visible damage to belt surface |
|---|---|
| Stretched / worn | Belt slips, squeals under load |
| Glazed surface | Shiny, hardened surface reduces grip |
| Broken belt | Belt has separated |
V-belt A-40 449-125 is compatible with the following models. Verify fit using your equipment's parts diagram.
| Compatible Models |
|---|
| PowrLiner 4950; 6950; 6950_1 |
| PowrLiner 8900 XLT SP; 8900 XLT; 8900 |
| PowrTwin 4900, 6900, 8900, 12000 Plus |
| PowrTwin 6900, 12000 Plus DI |
| PowrTwin 8900GH; 12000 Plus DI service; TM 8900 XLT |
When replacing the V-belt, inspect these associated components to ensure proper drive system function.
Check for wear, damage, or misalignment.
Inspect bearings and smooth operation.
Ensure shafts turn freely without wobble.
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