Liebherr lr 631 B bulldozer Specs (1988-1996)

In specification terms, the Liebherr lr 631 B bulldozer (1988-1996) shows low engine power at 148 hp (110 kW) alongside low weight at 38,360 lb (17.4 t). It also has reverse travel speed of 6.21 mph (10 km/h).
Specification profile

1988-1996

Weight: 38,360 lb (17.4 t)Engine power: 148 hp (110 kW)Reverse Travel Speed: 6.21 mph (10 km/h)Travel speed: 6.21 mph (10 km/h)
38,360 lb (17.4 t)Weight
148 hp (110 kW)Engine power
6.21 mph (10 km/h)Reverse Travel Speed
6.21 mph (10 km/h)Travel speed
2,000 rpmEngine speed at max torque
7.87 ft (2.4 m)Transport width
7.87 ft (2.4 m)Front Blade Width
21.7 in (550 mm)Track Width
How it compares

Low, average or high?

Engine power

Low

148 hp (110 kW)
Low 61.7 hp (46 kW)Typical 222 hp (165 kW)High 758 hp (565 kW)

Engine power is well below the typical figure.

Weight

Low

38,360 lb (17.4 t)
Low 10,097 lb (4.58 t)Typical 52,108 lb (23.6 t)High 165,347 lb (75 t)

Weight is well below the typical figure.

Reverse Travel Speed

Below average

6.21 mph (10 km/h)
Low 5.28 mph (8.5 km/h)Typical 7.31 mph (11.8 km/h)High 9.26 mph (14.9 km/h)

Reverse Travel Speed is below the typical figure.

Travel speed

Average

6.21 mph (10 km/h)
Low 4.04 mph (6.5 km/h)Typical 6.47 mph (10.4 km/h)High 8.7 mph (14 km/h)

Travel speed is close to the typical figure.

Transport width

Below average

7.87 ft (2.4 m)
Low 5.87 ft (1.79 m)Typical 9.9 ft (3.02 m)High 15.4 ft (4.69 m)

Transport width is below the typical figure.

Transport height

Average

10.6 ft (3.25 m)
Low 7.19 ft (2.19 m)Typical 10.8 ft (3.3 m)High 15.1 ft (4.59 m)

Transport height is close to the typical figure.

Visual overview

Key measurements

Overall size

The main published dimensions shown together at a glance.

Transport length19.7 ft (6.01 m)
Transport height10.6 ft (3.25 m)
Transport width7.87 ft (2.4 m)
Equipment

Features & equipment

Published equipment and feature availability for this model.

Air conditioningNO
Diesel particulate filterNO
Rear RipperNO
Tilt DeviceNO
Overview

Model information

Manufacturer Liebherr
Model lr 631 B bulldozer
Model year / production 1988-1996
Full specifications

Technical details

Performance

Engine power148 hp (110 kW)
Reverse Travel Speed6.21 mph (10 km/h)
Engine speed at max torque2,000 rpm
Soil Pressure0.83 kg/cm²
Travel speed6.21 mph (10 km/h)

Dimensions

Front Blade Width7.87 ft (2.4 m)
Track Width21.7 in (550 mm)
Transport height10.6 ft (3.25 m)
Transport length19.7 ft (6.01 m)
Transport width7.87 ft (2.4 m)

Capacity & weight

Weight38,360 lb (17.4 t)

Engine & drivetrain

Displacement2.9 US gal (11 L)
Engine manufacturerMercedes
Engine typeOM421
Number of cylinders6.0

Features

Air conditioningNo
Diesel particulate filterNo

Other specifications

Rear RipperNo
Tilt DeviceNo