- Category: Crawler Dozers ➔
- Manufacturer: Caterpillar ➔
- Model: D4H ➔
The Caterpillar D4H is a crawler dozer designed for grading, earthmoving, and site preparation in construction, forestry, and utility work. Part of Caterpillar's D4 series, the D4H is known for its compact size, maneuverability, and suitability for finish grading and general dozing applications. It typically features a diesel engine, steel undercarriage, and a blade configuration for pushing, leveling, and backfilling material. The D4H is used on jobsites where traction, control, and reliable performance are required in confined or uneven terrain. As a crawler dozer, it operates on tracks for improved flotation and stability compared with wheeled equipment.
Dimensions
| Height - Top of Cab | 1.90 ft (0.58 m)
|
| Overall Length | 8.10 ft (2.47 m)
|
| Overall Width | 10.40 ft (3.17 m)
|
| Reach of Grapple at Ground Level | 8.70 ft (2.65 m)
|
Engine
| Aspiration | 27293.3
|
| Displacement | turbocharged cu in
|
| Engine Model | 99
|
| Gross Power | 90.00 hp (67.11 kw)
|
| Net Power | 2,200.00 hp (1,640.57 kw)
|
| Power Measured @ | 317.4 rpm
|
Hydraulic System
| Pump Flow | 2,700.00 gpm (10,219.50 lpm)
|
| Pump Type | 25
|
Operating Specifications
| Alternator Supplied Amperage | power shift
|
| Operating Voltage | 35 amps
|
| Operating Weight | 24 V lbs (10.89 kg)
|
Transmission
| Max Speed - Forward | 7.60 mph (12.23 kph)
|
| Max Speed - Reverse | 18.20 mph (29.29 kph)
|
| Number of Forward Gears | 3
|
| Number of Reverse Gears | 6.3
|
| Transmission Type | 3
|
Undercarriage
| Ground Contact Area | variable displacement piston pump senses implement load cu in
|
| Length of Track on Ground | 3,204.00 ft (976.58 m)
|
| Number of Track Rollers per Side | 3751.1
|
| Width of Shoes | 7.00 in (17.78 cm)
|