Products

Hydraulic travel motors – Provide rotary power to the track wheels.

Dual independent motors – Allow for counter-rotation and pivot turns.

Travel control levers/pedals – Operator inputs for speed and direction.

Main hydraulic pump – Supplies high-pressure oil to the travel system.

Travel control valves – Direct flow from the pump to the left or right motor.

Two-speed travel selection – Switches between high-speed and high-torque modes.

Speed change valve – Alters motor displacement for speed shifting.

Travel reduction gearbox (final drive) – Reduces motor speed and increases torque.

Sprocket drive – Final drive output shaft directly turns the track sprocket.

Planetary gear sets – Inside the reduction gearbox for compact torque multiplication.

Swing bearings – Support the upper structure and allow it to rotate during travel turns.

Track frame – Rigid structure housing the final drive and rollers.

Hydraulic pressure release – Allows the machine to be towed by disengaging the motors.

Travel brakes – Typically spring-applied, hydraulic-release parking brakes.

Hydraulic counterbalance valves – Prevent uncontrolled movement on slopes.

Pilot pressure system – Provides low-pressure control signals to the main valves.

Neutral bypass – Routes pump flow back to tank when travel levers are not activated.

Load sensing system – Adjusts pump flow and pressure based on demand.

Track tension adjustment – Maintains proper tension via grease cylinders.

Track rollers and idlers – Support and guide the track chain.

Pivot turn (spot turn) – Achieved by driving one track forward and the other reverse.

Gradual turn – Accomplished by varying speed between the two tracks.

Straight-line travel – Both motors receive equal flow and pressure.

Auto-deceleration system – Redects engine speed when travel levers are neutral.

Travel alarm – Sounds when the machine is set to move.

Speed sensors (if equipped) – Monitor track speed for control or monitoring systems.

Travel pressure relief valves – Protect the system from overloads.

Case drain lines – Return internal leakage oil from motors back to the tank.

Hydrostatic transmission principle – Uses variable hydraulic flow for infinite speed control.

Integrated pump-motor circuit – Forms a closed-loop for efficient power transfer.

Use only recommended hydraulic oil with proper viscosity and cleanliness.

Maintain oil temperature within the specified operating range (e.g., 30-70°C).

Ensure effective filtration to prevent contamination from entering the system.

Prime the pump properly before initial start-up to avoid dry running.

Avoid prolonged operation at maximum pressure settings to reduce wear.

Monitor for abnormal noises (cavitation, knocking) during operation.

Check for external leaks regularly at seals, connections, and casing.

Verify proper drive alignment to prevent bearing and shaft damage.

Allow a gradual warm-up period in cold environments before full load.

Maintain correct reservoir oil level to prevent pump cavitation.

Bleed air from the system thoroughly after maintenance or oil changes.

Follow correct start/stop procedures to minimize pressure spikes.

Avoid sudden directional or load changes where possible.

Inspect mounting bolts periodically to ensure they are tight and secure.

Protect the pump from extreme vibration through proper installation.

Use a pressure gauge to monitor system performance against specifications.

Do not exceed the maximum rated speed (RPM) for the pump.

Ensure the pump case drain line is unobstructed and routed correctly.

Implement a regular oil analysis program to monitor fluid condition.

Shut down immediately if a sudden loss of pressure or flow occurs.

Keep the pump and surrounding area clean from dirt and debris.

Operate within the pump's specified displacement and pressure envelope.

Ensure all control linkages (if equipped) move freely without binding.

Avoid moisture ingress into the hydraulic system.

Use recommended flushing procedures when changing oil types.

Follow proper storage procedures if the pump is to be out of service.

Label all hydraulic lines during disassembly for correct reassembly.

Apply thread sealant correctly on fittings to prevent leaks and contamination.

Train operators on basic pump function and alarm indicators.

Adhere strictly to the manufacturer's (Hengli) maintenance schedule and instructions.

Daily visual inspection – Check for external leaks, cracks, or damage.

Monitor hydraulic oil level – Ensure it is within the recommended range before operation.

Check oil temperature – Avoid operation beyond the specified temperature limit.

Listen for abnormal noises – Unusual sounds may indicate cavitation or internal wear.

Inspect pump mounting bolts – Ensure they are tight and secure.

Verify drive coupling condition – Look for wear, cracks, or misalignment.

Check suction lines and filters – Prevent restrictions or air ingress.

Monitor system pressure – Use gauges to detect abnormal fluctuations.

Inspect case drain line – Ensure it is unobstructed and not leaking excessively.

Maintain oil cleanliness – Change filters regularly and use clean oil.

Avoid dry running – Always prime the pump before starting.

Warm up the system – Operate at low pressure and flow in cold conditions.

Prevent contamination – Keep the reservoir and fill area clean.

Check for overheating – Monitor pump housing temperature during operation.

Avoid prolonged operation at maximum pressure – Reduce stress on the pump.

Inspect hoses and fittings – Look for wear, leaks, or loose connections.

Verify proper belt tension – For belt-driven pumps, ensure correct tension.

Monitor oil condition – Look for discoloration, foam, or contamination.

Check for air in the system – Bleed air if foaming or erratic operation occurs.

Ensure adequate ventilation – Prevent heat buildup around the pump.

Follow manufacturer’s operating limits – Adhere to pressure and flow specifications.

Use recommended hydraulic oil – Follow viscosity and grade requirements.

Avoid sudden pressure spikes – Operate controls smoothly to prevent shocks.

Inspect electrical connections – For electric-driven pumps, ensure secure wiring.

Record operating hours – Schedule maintenance based on service intervals.

Check alignment – Ensure the pump is properly aligned with the drive source.

Monitor pump vibration – Excessive vibration may indicate imbalance or wear.

Test relief valve function – Verify proper pressure relief during operation.

Keep maintenance records – Document inspections, repairs, and part replacements.

Train operators – Ensure they understand proper pump operation and early warning signs of failure.

Daily visual inspection – Check for external leaks, cracks, or damage.

Monitor hydraulic oil level – Ensure it is within the recommended range before operation.

Check oil temperature – Avoid operation beyond the specified temperature limit.

Listen for abnormal noises – Unusual sounds may indicate cavitation or internal wear.

Inspect pump mounting bolts – Ensure they are tight and secure.

Verify drive coupling condition – Look for wear, cracks, or misalignment.

Check suction lines and filters – Prevent restrictions or air ingress.

Monitor system pressure – Use gauges to detect abnormal fluctuations.

Inspect case drain line – Ensure it is unobstructed and not leaking excessively.

Maintain oil cleanliness – Change filters regularly and use clean oil.

Avoid dry running – Always prime the pump before starting.

Warm up the system – Operate at low pressure and flow in cold conditions.

Prevent contamination – Keep the reservoir and fill area clean.

Check for overheating – Monitor pump housing temperature during operation.

Avoid prolonged operation at maximum pressure – Reduce stress on the pump.

Inspect hoses and fittings – Look for wear, leaks, or loose connections.

Verify proper belt tension – For belt-driven pumps, ensure correct tension.

Monitor oil condition – Look for discoloration, foam, or contamination.

Check for air in the system – Bleed air if foaming or erratic operation occurs.

Ensure adequate ventilation – Prevent heat buildup around the pump.

Follow manufacturer’s operating limits – Adhere to pressure and flow specifications.

Use recommended hydraulic oil – Follow viscosity and grade requirements.

Avoid sudden pressure spikes – Operate controls smoothly to prevent shocks.

Inspect electrical connections – For electric-driven pumps, ensure secure wiring.

Record operating hours – Schedule maintenance based on service intervals.

Check alignment – Ensure the pump is properly aligned with the drive source.

Monitor pump vibration – Excessive vibration may indicate imbalance or wear.

Test relief valve function – Verify proper pressure relief during operation.

Keep maintenance records – Document inspections, repairs, and part replacements.

Train operators – Ensure they understand proper pump operation and early warning signs of failure.

Daily visual inspection – Check for external leaks, cracks, or damage.

Monitor hydraulic oil level – Ensure it is within the recommended range before operation.

Check oil temperature – Avoid operation beyond the specified temperature limit.

Listen for abnormal noises – Unusual sounds may indicate cavitation or internal wear.

Inspect pump mounting bolts – Ensure they are tight and secure.

Verify drive coupling condition – Look for wear, cracks, or misalignment.

Check suction lines and filters – Prevent restrictions or air ingress.

Monitor system pressure – Use gauges to detect abnormal fluctuations.

Inspect case drain line – Ensure it is unobstructed and not leaking excessively.

Maintain oil cleanliness – Change filters regularly and use clean oil.

Avoid dry running – Always prime the pump before starting.

Warm up the system – Operate at low pressure and flow in cold conditions.

Prevent contamination – Keep the reservoir and fill area clean.

Check for overheating – Monitor pump housing temperature during operation.

Avoid prolonged operation at maximum pressure – Reduce stress on the pump.

Inspect hoses and fittings – Look for wear, leaks, or loose connections.

Verify proper belt tension – For belt-driven pumps, ensure correct tension.

Monitor oil condition – Look for discoloration, foam, or contamination.

Check for air in the system – Bleed air if foaming or erratic operation occurs.

Ensure adequate ventilation – Prevent heat buildup around the pump.

Follow manufacturer’s operating limits – Adhere to pressure and flow specifications.

Use recommended hydraulic oil – Follow viscosity and grade requirements.

Avoid sudden pressure spikes – Operate controls smoothly to prevent shocks.

Inspect electrical connections – For electric-driven pumps, ensure secure wiring.

Record operating hours – Schedule maintenance based on service intervals.

Check alignment – Ensure the pump is properly aligned with the drive source.

Monitor pump vibration – Excessive vibration may indicate imbalance or wear.

Test relief valve function – Verify proper pressure relief during operation.

Keep maintenance records – Document inspections, repairs, and part replacements.

Train operators – Ensure they understand proper pump operation and early warning signs of failure.

Daily visual inspection​ – Check for external leaks, cracks, or damage.

Monitor hydraulic oil level​ – Ensure it is within the recommended range before operation.

Check oil temperature​ – Avoid operation beyond the specified temperature limit.

Listen for abnormal noises​ – Unusual sounds may indicate cavitation or internal wear.

Inspect pump mounting bolts​ – Ensure they are tight and secure.

Verify drive coupling condition​ – Look for wear, cracks, or misalignment.

Check suction lines and filters​ – Prevent restrictions or air ingress.

Monitor system pressure​ – Use gauges to detect abnormal fluctuations.

Inspect case drain line​ – Ensure it is unobstructed and not leaking excessively.

Maintain oil cleanliness​ – Change filters regularly and use clean oil.

Avoid dry running​ – Always prime the pump before starting.

Warm up the system​ – Operate at low pressure and flow in cold conditions.

Prevent contamination​ – Keep the reservoir and fill area clean.

Check for overheating​ – Monitor pump housing temperature during operation.

Avoid prolonged operation at maximum pressure​ – Reduce stress on the pump.

Inspect hoses and fittings​ – Look for wear, leaks, or loose connections.

Verify proper belt tension​ – For belt-driven pumps, ensure correct tension.

Monitor oil condition​ – Look for discoloration, foam, or contamination.

Check for air in the system​ – Bleed air if foaming or erratic operation occurs.

Ensure adequate ventilation​ – Prevent heat buildup around the pump.

Follow manufacturer’s operating limits​ – Adhere to pressure and flow specifications.

Use recommended hydraulic oil​ – Follow viscosity and grade requirements.

Avoid sudden pressure spikes​ – Operate controls smoothly to prevent shocks.

Inspect electrical connections​ – For electric-driven pumps, ensure secure wiring.

Record operating hours​ – Schedule maintenance based on service intervals.

Check alignment​ – Ensure the pump is properly aligned with the drive source.

Monitor pump vibration​ – Excessive vibration may indicate imbalance or wear.

Test relief valve function​ – Verify proper pressure relief during operation.

Keep maintenance records​ – Document inspections, repairs, and part replacements.

Train operators​ – Ensure they understand proper pump operation and early warning signs of failure.

Fixed displacement axial piston design

Dual hydraulic pump configuration

Heavy-duty industrial construction

Precision ground cam surface

Hardened alloy steel cylinders

Chromium-plated piston surfaces

Pressure-balanced valve plate

Tapered roller bearing support

High-pressure operation capability

Constant flow output characteristic

Robust cast iron housing

Sintered bronze bushing design

Mechanical drive shaft connection

Port and flange mounting options

ISO standard mounting dimensions

Pressure-balanced piston design

Low noise operation characteristic

Efficient volumetric performance

Reliable sealing system

Minimal internal leakage design

Wide viscosity range compatibility

Corrosion-resistant surface treatment

Precision machined components

Balanced rotating group assembly

Shock load resistant construction

Temperature-stable performance

Easy maintenance accessibility

Interchangeable cartridge design

Factory pre-tested and calibrated

Proven reliability in mobile equipment

Fixed displacement axial piston design

Dual hydraulic pump configuration

Heavy-duty industrial construction

Precision ground cam surface

Hardened alloy steel cylinders

Chromium-plated piston surfaces

Pressure-balanced valve plate

Tapered roller bearing support

High-pressure operation capability

Constant flow output characteristic

Robust cast iron housing

Sintered bronze bushing design

Mechanical drive shaft connection

Port and flange mounting options

ISO standard mounting dimensions

Pressure-balanced piston design

Low noise operation characteristic

Efficient volumetric performance

Reliable sealing system

Minimal internal leakage design

Wide viscosity range compatibility

Corrosion-resistant surface treatment

Precision machined components

Balanced rotating group assembly

Shock load resistant construction

Temperature-stable performance

Easy maintenance accessibility

Interchangeable cartridge design

Factory pre-tested and calibrated

Proven reliability in mobile equipment

Motor type - Axial piston hydraulic motor

Rotation speed - Rated RPM under specified flow

Displacement - Volume per revolution (e.g., cc/rev)

Maximum pressure - Continuous and peak operating pressure

Torque output - Rated and maximum torque (N·m)

Flow requirements - Recommended flow range (L/min)

Rotation direction - Bidirectional (clockwise/counterclockwise)

Shaft type - Splined or keyed output shaft

Shaft dimensions - Diameter and spline specifications

Mounting flange - Standardized flange pattern

Port configuration - SAE or metric threaded ports

Port size - Inlet/outlet port dimensions

Case drain port - Required for internal leakage return

Filtration requirement - Minimum oil cleanliness level

Oil viscosity range - Recommended operating viscosity

Maximum temperature - Allowable oil temperature limit

Brake type - Spring-applied hydraulic release parking brake

Brake torque - Holding torque capacity

Brake release pressure - Required pressure to disengage brake

Reduction ratio - Gearbox reduction ratio (if integrated)

Gear type - Planetary or spur gear design

Bearing type - Tapered roller or ball bearings

Weight - Total assembly weight

Dimensions - Overall length, width, and height

Material specification - Housing and gear materials

Shaft seal type - High-pressure rotary seal

Efficiency rating - Volumetric and mechanical efficiency

Starting torque - Breakaway torque characteristics

Backlash specification - Gear train backlash tolerance

Lubrication method - Splash or forced lubrication

Cooling requirement - Recommended case drain flow

Noise level - Typical operating decibel range

Service life - Expected lifespan under normal conditions

Maintenance interval - Recommended inspection periods

Pressure setting - Relief valve cracking pressure

Leakage rate - Acceptable internal leakage specification

Shock load capacity - Maximum allowable momentary overload

Mounting orientation - Allowable installation positions

Rotation angle limit - Unlimited continuous rotation

Acceleration time - Time to reach full speed

Deceleration time - Stopping time under load

Back pressure limit - Maximum allowable case pressure

Smoothness rating - Rotation stability and consistency

Environmental rating - IP rating for dust/water resistance

Vibration resistance - Tolerance to operational vibration

Alignment requirement - Shaft alignment specifications

Thermal characteristics - Heat generation and dissipation

Pressure drop - Flow resistance through the motor

Response time - Reaction time to control signals

Compatibility - Hydraulic oil type compatibility

Testing standard - Industry testing specifications met

Certification - Quality and safety certifications

Warranty period - Manufacturer warranty duration

Replacement part number - OEM part identification

Cross-reference - Compatible alternative part numbers

Country of origin - Manufacturing location

Packaging specifications - Shipping package details

Installation torque - Bolt tightening specifications

Break-in procedure - Initial operation requirements

Performance curve availability - Torque-speed-pressure characteristic charts

OE NO.
245-4630

Condition
New

Place of Origin
Guangdong, China

Purpose
for replace/repair

Brand Name
WANATOP

Warranty
12 Months

Type
Speedometer Sensor

Model Number
245-4630 236-6221 109-7194 109-7195

Car Make
For Caterpillar CAT C7 C9 3126 3126B 3126E 3116

Universal Fitment
Yes

Size
OEM Size

Interchange No.
245-4630 236-6221 109-7194 109-7195

Payment
Union.Paypal TT

Shipping Term
Request

Warranty
12 Months

Product Name
Car Angle Sensor

Packing
100% Neutral Paper Boxes

Delivery time
3-7 Days

Quality
100%tested

Variable displacement axial piston pumps​ (dual).

Load sensing pressure-flow compensated (LSPC) system.

Swashplate angle control​ for output adjustment.

Hydraulic or electro-hydraulic servo control.

Closed-center load sensing (CLSS) circuit.

Power sharing between pumps.

Pressure cut-off (PCO) function.

Horsepower matching​ with the engine.

Cross-sensing​ between pump sections.

Displacement feedback mechanism.

High-pressure rotating groups.

Stationary valve plates.

Integral charge pump​ for make-up flow.

Case drain and flushing circuit.

Main system relief valves.

Anti-cavitation check valves.

Pressure compensator valves.

Flow compensator valves.

Load signal network (LS lines).

Pilot pressure supply circuit.

Pump controller (electronic or hydraulic).

Proportional solenoid valves​ (if equipped).

Pressure transducers​ for control feedback.

Mounting and drive system​ to the engine.

Breather and case drain ports.

Filtration system​ for charge and case drain oil.

Temperature management​ via case drain flow.

Efficiency optimization logic.

Fail-safe pressure and flow limiting.

Integrated diagnostic capability.

Variable displacement axial piston pumps​ (dual).

Load sensing pressure-flow compensated (LSPC) system.

Swashplate angle control​ for output adjustment.

Hydraulic or electro-hydraulic servo control.

Closed-center load sensing (CLSS) circuit.

Power sharing between pumps.

Pressure cut-off (PCO) function.

Horsepower matching​ with the engine.

Cross-sensing​ between pump sections.

Displacement feedback mechanism.

High-pressure rotating groups.

Stationary valve plates.

Integral charge pump​ for make-up flow.

Case drain and flushing circuit.

Main system relief valves.

Anti-cavitation check valves.

Pressure compensator valves.

Flow compensator valves.

Load signal network (LS lines).

Pilot pressure supply circuit.

Pump controller (electronic or hydraulic).

Proportional solenoid valves​ (if equipped).

Pressure transducers​ for control feedback.

Mounting and drive system​ to the engine.

Breather and case drain ports.

Filtration system​ for charge and case drain oil.

Temperature management​ via case drain flow.

Efficiency optimization logic.

Fail-safe pressure and flow limiting.

Integrated diagnostic capability.