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This part is designed to fit your Cat equipment based on the manufacturer’s specifications.
Any changes to the manufacturer’s configuration might result in the product not fitting your Cat equipment. Please consult your Cat Dealer before purchasing to ensure that this part is appropriate for your Cat equipment in its current condition and assumed configuration. This indicator cannot guarantee compatibility for all parts.
Remanufactured
Non-Returnable
Kit
Replaced
As a global leader for over 85 years, Caterpillar provides the highly competitive belt technology and options suitable to be used on products for all industries we support.
| A | B | |
| Belt Size | Belt Top Width | Pulley Groove Width |
| 9.6mm (3/8 in) | 10.72mm (0.422 in) | 9.65mm (0.380 in) |
| 12.7mm (1/2 in) | 13.89mm (0.547 in) | 12.70mm (0.500 in) |
| 17.5mm (11/16 in) | 17.48mm (0.688 in) | 15.88 mm (0.625 in) |
| 19.1mm (3/4 in) | 19.05mm (0.750 in) | 17.53mm (0.690 in) |
| 22.2mm (7/8 in) | 21.51mm (0.847 in) | 19.94mm (0.785 in) |
| 23.8mm (15/16 in) | 23.83mm (0.938 in) | 22.30mm (0.878 in) |
| 27.0mm (1 1/16 in) | 26.97mm (1.062 in) | 25.48mm (1.003 in) |
| 31.8mm (1 1/4 in) | 32.94mm (1.297 in) | 31.83mm (1.253 in) |
Cat® General Duty Alternator Pulley transfers engine power to the alternator via a belt, ensuring efficient charging and electrical performance.
Cat
Material
Gray (Flake) Iron
Cat® Crankshaft Pulley is responsible for transmitting rotational power from the crankshaft to different engine accessories via the drive belt
Cat
Material
Gray (Flake) Iron
Width: 12.7 mm (0.50 in)
Cat
Belt Length (in)
40.51
Belt Width (in)
0.5
Belt Type
V-belts - Cogged
Material
Rubber & Fiber Rubber
Width: 12.7 mm (0.50 in)
Cat
Belt Length (in)
32.99
Belt Width (in)
0.5
Belt Type
V-belts - Cogged
Material
Plastic Plastic
Cat® Alternator Pump Drive Ductile Iron Pulley spins the alternator and Power Steering Pump with the engine's power
Cat
Material
Gray (Flake) Iron
Width: 12.7 mm (0.50 in)
Cat
Belt Length (in)
35.0
Belt Width (in)
0.5
Belt Type
V-belts - Cogged
Material
Plastic Plastic
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