24V Variable-Displacement Compressor X430/X426 – OEM Replacement for Thermo King & Carrier Transicold | Bus & Reefer AC
- Overview
- Recommended Products
- Stroke modulation: the swash-plate angle adjusts continuously to load demand.
- At setpoint, the compressor settles into a low-stroke cruise instead of cycling on/off.
- Less clutch cycling = less wear on clutch and belt drive components.
- Lower average torque demand = fuel savings on the engine side.
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Variable Displacement: Power Only When Needed
The X430 is a variable-displacement compressor — a small-shaft, 24V unit engineered for Thermo King and Carrier Transicold refrigeration and bus air-conditioning systems. Unlike a fixed-displacement unit that pumps full volume at all times, the X430 modulates its stroke to match the cooling load.
The payoff is measured in fuel and wear: approximately 10% fuel savings and 15–20% electrical savings under part-load conditions, plus cabin temperature held within ±0.5 °C – the stability that perishable cargo and passenger comfort both demand.

X430 Variable-Displacement Compressor – Unit View
Technical Specifications
Model |
X430 (also covers X426 fitments) |
Type |
Variable-displacement swash-plate, small shaft |
Voltage |
24V DC |
Thermo King & Carrier Transicold systems; bus and refrigerated vehicle AC |
|
Temperature stability |
±0.5 °C |
Fuel saving |
≈10% at part load |
Electrical saving |
≈15–20% |
Certification |
TS16949 |

X430 – Model View

X426 – Same Family
How Variable Displacement Cuts Operating Cost

22-1027 – Large-Shaft X430 Variant

22-02973-14 – Related Part
Fitment & Cross-Reference Support
Send us your OEM part number or a photo of the failed unit – we confirm the X430/X426 cross-reference and ship the correct shaft and pulley configuration. Fleet stocking programs available for multi-unit operators.

X430 – Second View
Frequently Asked Questions
Q: Is X430 the same as X426? A: The X430 covers X426 fitments in most applications; confirm your OEM number and we verify.
Q: Why variable displacement? A: It matches compressor output to load, saving fuel and electric power at part load while holding temperature stable.
Q: What voltage? A: 24V DC.
Q: Warranty? A: 13 months.
Contact & Ordering
Hunan Weili Auto Parts Appliance Co., Ltd