Cat TH337C Specifications
The Caterpillar TH337C telehandler is a compact yet
powerful material-handling machine designed for construction, agriculture, and
industrial operations requiring strong lifting performance and excellent
maneuverability.
With a rated load capacity of 3,300 kg, a
maximum lift height of 7.3 meters, and a forward reach of 3.76 meters,
the TH337C is built to operate efficiently in confined environments
while maintaining the robustness expected of Caterpillar equipment.
Its C4.4 ACERT engine, load-sensing hydraulics,
and heavy-duty driveline combine to provide reliable performance and
long-term durability.
The TH337C is powered by the Cat C4.4 ACERT engine,
available in two performance configurations.
Standard Engine:
- Model: Cat C4.4 ACERT
- Gross power: 74.5 kW (101 hp)
- Maximum torque: 410 Nm at 1,400 rpm
Optional Engine:
- Model: Cat C4.4 ACERT
- Gross power: 93.1 kW (126 hp)
- Maximum torque: 496 Nm at 1,400 rpm
Both engines feature a 4.4 L displacement, direct injection, and turbocharged
air induction. Bore is 105 mm and stroke is 127 mm.
These engines meet Stage IIIA/Tier 3 equivalent
emissions requirements and provide strong torque characteristics
essential for telehandler operations.
The TH337C uses a powershift transmission with
different speed ranges depending on engine configuration.
Transmission - Standard Engine:
- Forward speeds: 6.8, 13.3, 19.8, 30.5 km/h
- Reverse speeds: 6.8, 13.3, 30.5 km/h
Transmission - Optional Engine:
- Forward speeds: 6.6, 10, 13, 19.3, 29.6, 40 km/h
- Reverse speeds: 6.6, 13, 29.6 km/h
Axles:
- Heavy-duty planetary axles front and rear
- Rear axle oscillation for improved stability
- Limited-slip or open differentials depending on configuration
Brakes:
- Service brakes: servo-assisted wet-disc brakes on front axle
- Parking brake: mechanical brake mounted on front axle
The electrical system supports engine management,
hydraulics, and operator instrumentation.
- System voltage: 12 V
- Alternator: heavy-duty rating for accessory support
- Battery: industrial-grade high-capacity design
Drive: Front-wheel drive with steering on the rear axle
Tires: Standard: 15.5/80-24 16PR industrial tires
The chassis is a reinforced steel frame designed for high torsional strength and
long service life.
Steering is hydrostatic and channeled through the rear axle.
- Outside turning radius over tires: 3,750 mm
- Outside turning radius over forks: 4,740 mm
This provides excellent maneuverability in tight working environments.
The TH337C uses a load-sensing hydraulic system for
efficient power delivery.
- Maximum system pressure: 250 bar (3,625 psi)
- Maximum pump flow: 150 L/min
- Hydraulic tank: 90 L
- Pump type: variable-displacement axial piston pump
Auxiliary flows:
- Intermittent: 80 L/min
- Continuous: 60 L/min
The hydraulic system provides smooth multifunction capability, allowing
simultaneous lift, telescope, and crowd operations.
- Bucket breakout force: 65 kN
- Boom breakout force: 42 kN
- Rated load capacity: 3,300 kg
- Maximum lift height: 7,300 mm
- Maximum forward reach: 3,763 mm
- Load at maximum height: 2,000 kg
- Load at maximum reach: 1,000 kg
- Drawbar pull (Std engine): 78 kN
- Drawbar pull (Opt engine): 85 kN
- Overall height: 2,382 mm
- Overall width: 1,988 mm
- Length to fork face: 4,451 mm
- Overall machine length: 5,128 mm
- Wheelbase: 3,075 mm
- Ground clearance: 430 mm
- Track width: 1,838 mm
- Rear overhang: 743 mm
- Maximum fork height: matches lift height at 7.3 m
- Standard fork length: approx. 1,200 mm
- Dump angle: up to 50°
- Turning radius: 3.75-4.74 m depending on forks
- Operating weight: 8,030 kg with carriage and forks
Periodic
maintenance schedule:
- Engine oil and filter: every 250-500 hours
- Hydraulic filter: every 500 hours
- Transmission service: every 1,000 hours
- Axle fluid service: every 1,000 hours
- Hydraulic oil replacement: every 2,000 hours
- Cooling system service: every 2 years or 2,000 hours
- Boom pad adjustment: every 50 hours
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