Cat C3500 Specifications
The Caterpillar C3500 is a 3,500 lb capacity cushion
tire forklift engineered for indoor material handling applications. Powered by a
Nissan K21 LPG engine, this model combines maneuverability with operational
efficiency in warehouse environments. The truck features a powershift
transmission with hydraulic accumulator for smooth directional changes and a
hydraulic system delivering 2,250 psi for attachment compatibility.
With a 71.2 in outside turning radius and
gradeability reaching 40 percent loaded, the C3500 provides excellent
performance in confined spaces. The design incorporates ergonomic
features including cowl-mounted hydraulic levers, memory tilt steering
column, and a two-pedal brake system for operator comfort. Additional
features include responsive drive-by-wire throttle control, multi-port
fuel injection, engine protection system, and heavy-duty cast drive axle
construction.
Engine model: Nissan K21
Engine type: 4-cylinder, 4-cycle, liquid-cooled, overhead valve
Displacement: 126 cu.in (2.065 L)
Rated horsepower: 52.0 HP (38.7 kW) at 2400 rpm SAE gross
Maximum torque: 119 lb-ft (161 Nm) at 2000 rpm SAE gross
Fuel system: Multi-port fuel injection (gasoline models)
Fuel system: Throttle-body fuel injection (LP models)
Fuel type: LP gas
Fuel tank (LP gas): 8.0 gal (30.3 L)
Lubrication system: Full-pressure lubrication with oil filter
Cooling system: Liquid-cooled with pressurized radiator
Engine Protection System: Monitors critical engine parameters
Transmission type: Powershift with torque converter and
hydraulic accumulator
Transmission model: Single-speed powershift
Number of speeds forward / reverse: 1 / 1
Travel speed forward (loaded): 9.8 mph (15.8 km/h)
Travel speed forward (empty): 10.2 mph (16.4 km/h)
Travel speed reverse (loaded): 9.8 mph (15.8 km/h)
Travel speed reverse (empty): 10.2 mph (16.4 km/h)
Drive axle type: Heavy-duty cast drive axle with reduction differential
Drive axle construction: Cast housing
Steer axle type: High-strength cast axle housing with kingpin design
Service brakes: Hydraulic, foot-operated
Parking brake: Mechanical, hand-operated
Ground speed control: Responsive drive-by-wire throttle control
System voltage: 12 V
Alternator type: Belt-driven
Starter motor: 12 V
Wheel configuration: 2x driven front / 2 rear
Wheel type: Cushion
Frame construction: Heavy-duty plate steel
Counterweight construction: Cast iron
Tire type: Cushion
Tire size front (standard): 18.0x6.0x12.0-10/8.0
Tire size rear: 14.0x5.0x10.0
Tire type: Single cushion drive and steer tires
Steering type: Hydrostatic power steering
Steering column: Memory tilt steering column
Steering control: Steering wheel with hydraulic control unit
Steering pump type: High-output direct-drive hydraulic pump
Hydraulic system type: Full-flow gear pump
Hydraulic pump type: High-output direct-drive gear pump
Hydraulic pump flow: 19.0 GPM (72.0 L/min)
Relief pressure setting (main for attachments): 2,250 psi (158 bar)
Hydraulic control valves: Cowl-mounted hydraulic levers with ergonomic knobs
Lift cylinder type: Double-acting
Tilt cylinder type: Double-acting
Number of lift cylinders: 2
Number of tilt cylinders: 2
Mast type standard: Two-stage
Maximum fork height (standard mast): 131 in (3325 mm)
Free fork height (standard mast): 4.5 in (115 mm)
Mast height lowered: 82.9 in (2105 mm)
Mast height extended: 179.2 in (4550 mm)
Mast tilt forward: 5 degrees
Mast tilt backward: 10 degrees
Load backrest extension: 48 in (1219 mm) high
Carriage type: Hook-type
Side shifter: Available as option
Rated capacity: 3,500 lb (1,800 kg)
Load center distance: 24.0 in (500 mm)
Lift speed with rated load: 121 fpm (617 mm/s)
Lift speed without load: 125 fpm (633 mm/s)
Lowering speed with rated load: 99.0 fpm (500 mm/s)
Lowering speed without load: 99.0 fpm (500 mm/s)
Drawbar pull loaded (60 minute rating): 3,745 lb (16,640 N)
Drawbar pull loaded maximum (5 minute rating): 4,230 lb (18,815 N)
Gradeability loaded at 1.0 mph: 32.0 percent
Gradeability maximum loaded: 40.0 percent
Gradeability maximum empty: 18.0 percent
Load moment constant: 15.3 in (390 mm)
Overall length to fork face: 83.2 in (2115 mm)
Overall width with standard tires: 38.2 in (970 mm)
Overall width with optional duals: 39.2 in (995 mm)
Overall height to top of overhead guard: 81.1 in (2060 mm)
Height seat: 43.3 in (1100 mm)
Height with lowered mast: 82.9 in (2105 mm)
Height with extended mast: 179.2 in (4550 mm)
Wheelbase: 46.9 in (1190 mm)
Tread width front (standard tires): 32.2 in (820 mm)
Tread width front (optional duals): 33.2 in (845 mm)
Tread width rear: 31.8 in (810 mm)
Ground clearance at lowest point (mast): 2.9 in (75.0 mm)
Ground clearance at center of wheelbase: 4.5 in (116 mm)
Fork thickness: 1.4 in (35.0 mm)
Fork width: 4.0 in (100 mm)
Fork length: 42.0 in (1070 mm)
Fork spacing minimum out-to-out: 7.85 in (200 mm)
Fork spacing maximum out-to-out: 32.25 in (820 mm)
Minimum outside turning radius: 71.2 in (1810 mm)
Minimum aisle width for 90° stacking (zero clearance, w/load): 86.5 in (2195 mm)
Empty weight: 6,449 lb (2,925 kg)
Weight distribution without load front / rear: 2,185 lb / 4,264 lb (991 kg /
1,934 kg)
Weight distribution with rated load front / rear: 8,618 lb / 3,909 kg combined
load
Engine Oil and Filter Change: Every 250 hours or 3
months
Engine Air Filter Element: As indicated by restriction gauge (check daily)
Fuel Filter Replacement: Every 500 hours or 6 months
Hydraulic Oil Filter Replacement: Every 1,000 hours
Hydraulic Oil Change: Every 2,000 hours
Transmission Fluid and Filter Change: Every 1,000 hours
Drive Axle Oil Change: Every 1,000 hours
Coolant Change: Every 2,000 hours or 2 years
Chassis Greasing: Every 50 hours or weekly
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