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Cat TH357D Specifications
| Basic Information |
The Caterpillar TH357D Ag Handler Telehandler is a high-performance, mid-capacity telescopic handler engineered for agricultural, construction, industrial, and material-handling environments requiring excellent lifting performance, fast hydraulic response, and robust structural durability.
With a rated capacity of 3500 kg (7700 lb), a maximum lift height of 7.0 m (23 ft), and a forward reach of 3.65 m (12 ft), the TH357D is designed to satisfy the operational needs of farms, feed operations, grain facilities, industrial yards, and mixed-use construction sites.
Its compact maneuverability, three steering modes, efficient fuel consumption, and advanced operator controls make it suitable for continuous daily duty. The TH357D is part of Caterpillar’s D-Series telehandler line, incorporating electronically controlled powertrains, load-sensing hydraulic systems, high-bias planetary axles, and reinforced Z-bar boom linkage.
Compared to older B-Series machines, the D-Series significantly improves operator comfort, service access, attachment compatibility, and overall lifting stability. The improved multi-function joystick, optional ride control, and enhanced cab visibility contribute to precise load placement, reduced fatigue, and safety.
| Engine Specs |
The TH357D offers
two Caterpillar C4.4 ACERT diesel engine configurations:
- Standard output: 74.5 kW (100 hp)
- Optional high-power output: 96.5 kW (129 hp)
Engine characteristics:
- Model: Cat C4.4 ACERT
- Gross power: 74.5-96.5 kW (100-129 hp)
- Maximum torque: 410-514 Nm (303-379 lb-ft)
- Emissions: EU Stage IIIA equivalent
- Configuration: 4-cylinder, 4-stroke, direct-injection diesel
- Displacement: 4.4 L (268 cu.in)
- Bore: 105 mm (4.13 in)
- Stroke: 127 mm (5 in)
- Cooling: liquid-cooled, belt-driven water pump
- Air filtration: heavy-duty dual-element air cleaner
The ACERT technology optimizes fuel delivery, air induction, and combustion
efficiency. The engine maintains consistent torque through the mid-range RPM
band, ensuring strong hydraulic performance and responsive transmission
behavior.
Lubrication System
- Type: full-pressure wet-sump
- Oil capacity: approx. 8-10 L (8.4-10.5 qt)
- Filter: spin-on, full flow
- Recommended oil: SAE 15W-40 diesel rated
- Oil change interval: typically 500 hours in normal duty
Cooling System
- Coolant capacity: approx. 14-17 L (15-18 qt)
- Cooling fan: mechanical, shrouded
- Radiator: high-capacity with debris-resistant core
- Thermostat opening temperature: approx. 82°C (180°F)
| Drive Train |
Transmission type: 6-speed power shift. The
electronically modulated power-shift system provides smooth transitions and
allows quick directional changes, essential for rapid loading cycles.
Forward speeds:
1st: 5.8 km/h (3.6 mph)
2nd: 8.6 km/h (5.3 mph)
3rd: 11.3 km/h (7 mph)
4th: 16.7 km/h (10.4 mph)
5th: 25.4 km/h (15.8 mph)
6th: 40.0 km/h (24.9 mph)
Reverse speeds:
Reverse 1: 5.8 km/h (3.6 mph)
Reverse 2: 11.3 km/h (7 mph)
Reverse 3: 25.4 km/h (15.8 mph)
Front axle:
- High-bias, planetary reduction hubs
- Limited-slip differential
Rear axle: Open differential with planetary hubs
Service brakes: Boost-assisted, oil-immersed multi-disc brakes on both axles
Parking brake: Mechanically actuated on front axle service brakes
Axles are engineered for high tractive power and durability in abrasive terrain.
The oscillating rear axle maintains ground contact over uneven surfaces,
enhancing stability during travel and loading. The wet-disc design maximizes
life and performance while preventing debris intrusion.
| Electrical System |
- System voltage: 12 V
- Battery: 1 x 12V, 1000 CCA (optional: 2 x 12V, 815 CCA)
- Alternator output: 150 A
- Reverse alarm: standard
- Cab electronics support: wipers, display, sensors, joystick controls, optional
camera
| Wheels and Tires |
Drive configuration: full-time 4WD
Chassis features:
- Reinforced welded steel frame
- Z-bar boom linkage
- Long-life wear pads
- Integrated counterweight
- Rear tow hitch options
Tire options:
- Standard: Mitas 15.5/80-24 (16-ply)
Optional choices include:
- Michelin 460/70 R24 XMCL
- Michelin 500/70 R24 XMCL
- Michelin 440/80 R24 Power CL
- Firestone Duraforce
- Solid industrial 13x24
Steering type: hydrostatic power steering
Steering modes:
- Two-wheel steer
- Crab steer
- Circle steer
Turning radius:
- Over tires: 3.85 m (12.6 ft)
- Over forks: 3.95 m (13 ft)
The system enables tight-area maneuvering required in barns, feedlots,
storage yards, and confined industrial environments.
| Hydraulic System |
System type: load-sensing, closed-center
Pump type: axial piston, variable flow
Maximum pump flow: 140 L/min (37 gal/min)
System pressure: 260 bar (3770 psi)
Auxiliary circuit pressure: 245 bar (3550 psi)
Hydraulic tank: 120 L (32 gal)
Auxiliary flow:
- Boom head (intermittent): 95 L/min
- Boom head (continuous): 95 L/min
- Rear auxiliary: 80 L/min
These hydraulic outputs allow compatibility with buckets, grapples, bale
tools, sweepers, and hydraulic clamps.
Boom breakout force: 50 kN
Bucket breakout force: 72 kN
Boom cycle times:
- Boom up: 6.5 s
- Boom down: 5.8 s
- Tele out: 5.5 s
- Tele in: 5.5 s
- Crowd forward: 3 s
- Crowd back: 3 s
- Combined up/out: 10.2 s
- Combined down/in: 8.2 s
| Performance Data |
Rated load capacity: 3500 kg (7700 lb)
Maximum lift height: 7.0 m (23 ft)
Capacity at maximum height: 2250 kg (4960 lb)
Maximum forward reach: 3.65 m (12 ft)
Capacity at maximum reach: 1500 kg (3300 lb)
Outside turning radius: 3.85-3.95 m (12.6-13 ft)
Drawbar pull: 92 kN (83 kW engine) / 88 kN (96.5 kW engine)
| Dimensions and Weight |
Overall length to carriage: 5000 mm (16.4 ft)
Overall width: 2382 mm (7.8 ft)
Overall height: 2475 mm (8.1 ft; add 200 mm for beacon)
Wheelbase: 3165 mm (10.4 ft)
Ground clearance: 430 mm (17 in)
Track width: 1988 mm (6.5 ft)
Cab width: 900 mm (2.95 ft)
Fork sizes: 1066 mm (42 in), 1220 mm (48 in), 1524 mm (60 in)
Maximum fork dump angle: 128°
Maximum fork crowd angle: 24°
Operating weight (with forks and carriage): 7955 kg (17,540 lb)
| Maintenance Data |
500-hour service:
- Engine oil and filter
- Fuel filter
- Lubricate pivots
- Radiator cleaning
1000-hour service:
- Hydraulic filter replacement
- Axle oil replacement
- Transmission oil change
- Boom wear-pad adjustment
- Driveline inspection
2000-hour service:
- Hydraulic oil replacement
- Cooling system flush
- Full structural inspection
- Calibration of hydraulic pressures
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