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7200 851 025 Compressor Crankshaft for Heavy Duty

7200 851 025

Summary

This high-strength compressor crankshaft is designed for heavy commercial vehicle air brake systems. It is compatible with Freightliner, Kenworth, Peterbilt, and International trucks featuring Cummins and Caterpillar engines. This component ensures reliable pneumatic operation in demanding service environments.

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Description

What does a compressor crankshaft do?

The compressor crankshaft is a critical component within the air brake compressor assembly, responsible for converting rotational energy into the reciprocating motion required for air compression. Manufactured from high-strength components, this part is engineered to withstand the high-pressure cycles typical of heavy commercial vehicle braking systems.

Vehicle and engine compatibility

This crankshaft is compatible with a wide range of heavy-duty applications, including Freightliner models like Cascadia and Kenworth T680, as well as Peterbilt and International series. It is specifically designed to work with Cummins and Caterpillar engines such as X12 and ISX15, ensuring precise mechanical timing and durability in various heavy vehicle configurations.

Installation and maintenance

For professional workshop technicians and fleet managers, ensuring correct installation is vital for maintaining system integrity. When replacing the crankshaft, it is essential to verify that all associated bearings and seals meet the required clearance tolerances. Consult your authorized distributor to confirm the exact fitment for your specific compressor model.

System reliability

Maintaining the air brake compressor through high-quality replacement parts helps prevent system pressure drops and ensures consistent braking performance across the fleet.

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Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
CATERPILLAR ISB
CATERPILLAR ISX
CATERPILLAR ISX15
CATERPILLAR X15
CUMMINS
CUMMINS ISX15
CUMMINS QSX15
CUMMINS X12
CUMMINS X15
FREIGHTLINER 108SD X12
FREIGHTLINER 114SD ISX15
FREIGHTLINER 114SD X12
FREIGHTLINER 122SD ISX15
FREIGHTLINER Argosy ISX15
FREIGHTLINER Cascadia ISX15
FREIGHTLINER Cascadia X12
FREIGHTLINER Century Class ISX15
FREIGHTLINER Classic ISX15
FREIGHTLINER FLD120 ISX15
FREIGHTLINER M2 112 X12
FREIGHTLINER Next Gen Cascadia ISX15
INTERNATIONAL 3300 CUMMINS ISB
INTERNATIONAL 9200I CUMMINS ISX
INTERNATIONAL 9400I CUMMINS ISX
INTERNATIONAL 9900i ISX15
INTERNATIONAL 9900I CUMMINS ISX
INTERNATIONAL DURASTAR CUMMINS ISB
INTERNATIONAL HX520 ISX15
INTERNATIONAL HX620 ISX15
INTERNATIONAL LoneStar ISX15
INTERNATIONAL LONESTAR CUMMINS ISX15
INTERNATIONAL LONESTAR CUMMINS X15
INTERNATIONAL LT ISX15
INTERNATIONAL LT SERIES CUMMINS X15
INTERNATIONAL ProStar ISX15
INTERNATIONAL PROSTAR CUMMINS ISX15
INTERNATIONAL WORKSTAR CUMMINS ISB
KENWORTH C500 ISX15
KENWORTH C509 ISX15
KENWORTH K200 ISX15
KENWORTH T2000 ISX15
KENWORTH T440 X12
KENWORTH T470 X12
KENWORTH T600 ISX15
KENWORTH T610 ISX15
KENWORTH T659 ISX15
KENWORTH T680 ISX15
KENWORTH T680 X12
KENWORTH T800 ISX15
KENWORTH T880 ISX15
KENWORTH T880 X12
KENWORTH T909 ISX15
KENWORTH W900 ISX15
KENWORTH W990 ISX15
MACK Anthem ISX15
MCI D4505 ISX15
MCI D4505 X12
MCI J4500 ISX15
MCI J4500 X12
PETERBILT 348 X12
PETERBILT 357 ISX15
PETERBILT 367 ISX15
PETERBILT 377 ISX15
PETERBILT 378 ISX15
PETERBILT 379 ISX15
PETERBILT 389 ISX15
PETERBILT 520 X12
PETERBILT 548 X12
PETERBILT 567 ISX15
PETERBILT 567 X12
PETERBILT 579 ISX15
PETERBILT 579 X12
PREVOST H3-45 ISX15
PREVOST X3-45 ISX15
VOLVO VNL 300 ISX15
VOLVO VNL 400 ISX15
VOLVO VNL 740 ISX15
VOLVO VNL 760 ISX15
VOLVO VNL 860 ISX15
VOLVO VNX 300 ISX15
VOLVO VNX 400 ISX15
VOLVO VNX 740 ISX15
WABCO
WESTERN STAR 4700 X12
WESTERN STAR 47X X12
WESTERN STAR 4800 ISX15
WESTERN STAR 4900 ISX15
WESTERN STAR 49X ISX15
WESTERN STAR 5700XE ISX15
WESTERN STAR 57X ISX15
WESTERN STAR 6900 ISX15

Vehicle and Engine Pages

FAQ

What is the function of the compressor crankshaft?
The crankshaft converts the engine's rotational motion into reciprocating motion within the air brake compressor to generate necessary pneumatic pressure.
Which vehicle brands are compatible with this part?
This component is compatible with heavy commercial vehicles from Freightliner, Kenworth, Peterbilt, International, Mack, Volvo, and MCI.
Is this part compatible with Cummins engines?
Yes, this part is designed to function within systems using Cummins engines such as X12, ISX15, ISB, and X15.
How should I ensure correct fitment during installation?
Always verify the specific compressor model and check axial/radial clearance values against the manufacturer's service manual during assembly.