295-9429 Hydraulic Fan Motor for Caterpillar 345D excavator

product parameters

Part No：295-9429
Product Type：Hydraulic Axial Piston Fan Motor
Applicable Machine：Caterpillar 345D,345DL,349D Excavator
Motor Structure：Fixed displacement piston motor
Displacement：32 cc/rev
Main Material：High-strength cast iron housing, hardened alloy steel piston & cylinder block assembly, copper alloy sliding bearing, fluororubber sealing components
Rated Working Pressure：260 bar
Max Instantaneous Peak Pressure：300 bar
Working Rotation Speed Range：0 ~ 3300 rpm
Recommended Operating Hydraulic Oil：AW32 / AW46 anti-wear hydraulic oil
Adaptable Temperature：-20℃ ~ +120℃
Allowable Oil Viscosity Range：10 ~ 500 mm²/s
Overall Dimension：240mm ×182mm ×155mm
Net Weight：Approx.17.2kg
Interface Specification：Standard hydraulic oil port, inlet port Φ27mm, outlet port Φ22mm
Accessories：Comes with complete matching sealing kits (O-rings, backup rings)
Storage Requirements：Dry indoor storage environment, relative humidity ≤75%, avoid moisture, dust, corrosive gas and direct sunlight. Long-term storage needs periodic anti-rust inspection.

•Stable rotary output, reliable temperature control under heavy-duty working conditions
Consistent torque output is maintained under sudden pressure fluctuations. Even under long continuous heavy loads in dusty, high-temperature construction sites, the motor delivers steady rotary power to cooling fan, keeping engine temperature within the safe working window. It effectively eliminates the risk of engine overheating, cylinder scuffing and power derating caused by insufficient cooling during heavy-duty excavation, hauling and climbing operations.
• Fast torque response, adaptive cooling capacity
The motor responds rapidly to hydraulic pressure changes. Fan speed adjusts timely following engine heat load, avoiding unnecessary power waste. It reduces extra power consumption from the hydraulic system, cuts fuel consumption and lowers machine running cost for long-hour continuous construction.
• Full bench testing for every unit, excellent performance consistency
Each finished motor undergoes strict full-load bench testing of torque curve, pressure and internal leakage before shipment. Strict machining tolerance control ensures uniform performance across batches. Individual performance deviation is kept minimal. It is ideal for bulk maintenance and fleet overhaul, avoiding inconsistent cooling effect from different replacement motors.

FAQ 

Q1: What equipment is the 295-9429 fan motor suitable for?
A1: It fits Caterpillar 345D,345DL,349D excavator cooling hydraulic system. It is fully interchangeable with part number 20R-0093. Please confirm machine model before installation to avoid mismatch, wrong model may lead to poor cooling performance.

Q2: What failures can this fan motor solve?
A2: It can effectively repair common cooling system faults: engine overheating, fan rotating slowly, fan no rotation, motor abnormal knocking noise, high hydraulic oil temperature. These symptoms are usually caused by aging, piston wear or internal leakage of original fan motor.

Q3: What pre-installation preparations are required?
A3: Clean hydraulic pipeline and radiator thoroughly to remove sludge and impurities; replace brand-new hydraulic filter and sealing kit; check matching fan pump condition, to avoid secondary damage caused by pipeline contaminants. Clean hydraulic system is critical for fan motor service life.

Q4: Can support bulk wholesale and customized packaging?
A4: Support factory direct bulk wholesale, sufficient stock. Custom LOGO packaging and exclusive neutral packaging available for large orders, fast shipment, suitable for foreign trade, repair shops and equipment supporting business.

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