Category : Crawler Dozers ➔ Manufacturer : Caterpillar ➔ Model : D7R LGP ➔
The Caterpillar D7R LGP is a crawler dozer designed for grading, pushing, and earthmoving in soft or low-ground-pressure conditions. The LGP, or Low Ground Pressure, configuration uses wider tracks to reduce surface pressure and improve flotation on soft soil, mud, and swampy terrain. As part of the Caterpillar D7R series, it is commonly used in construction, land clearing, road building, and site preparation. The machine combines a heavy-duty undercarriage, dozer blade, and diesel powertrain for traction and durability in demanding applications. It is a tracked earthmoving machine suited to rough terrain and high-load dozing work.
Dimensions
Caterpillar D7R LGP Crawler Dozer Dimensions specifications
Ground Clearance
1.63 ft (0.50 m)
Height
11.58 ft (3.53 m)
Height To Top Of Cab
11.99 ft (3.65 m)
Length
19.75 ft (6.02 m)
Length Of Track On Ground
10.40 ft (3.17 m)
Length W/ Blade
19.06 ft (5.81 m)
Length W/O Blade
15.54 ft (4.74 m)
Weight
65,036.00 lbs (29,499.87 kg)
Width
14.75 ft (4.50 m)
Width Over Tracks
11.06 ft (3.37 m)
Engine
Caterpillar D7R LGP Crawler Dozer Engine specifications
Aspiration
Turbocharged
Displacement
638.00 cu in (10,454.97 cu cm)
Engine Make
2236
Engine Model
3306T
Gross Power
257.00 hp (191.65 kw)
Net Power
240.00 hp (178.97 kw)
Number Of Cylinders
6
Power Measured @
2100 rpm
Hydraulic System
Caterpillar D7R LGP Crawler Dozer Hydraulic System specifications
Pump Flow Capacity
46.80 gpm (177.14 lpm)
Pump Type
Piston
Relief Valve Pressure
3306 psi
Operational
Caterpillar D7R LGP Crawler Dozer Operational specifications
Alternator Supplied Amperage
70 amps
Cooling System Fluid Capacity
19.90 gal (75.32 l)
Engine Oil Capacity
7.30 gal (27.63 l)
Final Drives Fluid Capacity
3.50 gal (13.25 l)
Fuel Capacity
126.60 gal (479.18 l)
Hydraulic Fluid Capacity
14.30 gal (54.13 l)
Operating Voltage
24 V
Operating Weight
59,700.00 lbs (27,079.50 kg)
Powertrain Fluid Capacity
47.10 gal (178.27 l)
Standard Blade
Caterpillar D7R LGP Crawler Dozer Standard Blade specifications
Capacity
7.8 cu yd
Cutting Depth
26.30 in (66.80 cm)
Height
52.90 in (134.37 cm)
Width
15.00 ft (4.57 m)
Transmission
Caterpillar D7R LGP Crawler Dozer Transmission specifications
Max Speed - Forward
6.80 mph (10.94 kph)
Max Speed - Reverse
8.60 mph (13.84 kph)
Number Of Forward Gears
3
Number Of Reverse Gears
3
Transmission Type
Power Shift
Undercarriage
Caterpillar D7R LGP Crawler Dozer Undercarriage specifications
Ground Contact Area
8973 in2
Ground Pressure
6.55 psi
Number Of Shoes Per Side
43
Number Of Track Rollers Per Side
7
Standard Shoe Size
35.99 in (91.41 cm)
Track Gauge
7.30 ft (2.23 m)
