Komatsu D57S-1 Crawler Loaders
Komatsu D57S-1
5+
sold in last yearGeneral overview
Komatsu D57S-1 is a crawler loader designed for construction loading and earthmoving work. Produced from 1983 to 1987 in Japan, it combines tracked mobility with loader functions for moving material in demanding site conditions. The machine is powered by a 6-cylinder S4D1301-A engine rated at 99 kW (135 hp), giving it a compact but capable power class for its size.
The D57S-1 has an operating weight of 15,280 kg (33,690 lb) and a heaped bucket capacity of 1.8 m³ (2.4 cu yd). It uses a power-shift transmission and differential steering with hydraulic power, with travel speeds up to 8.5 km/h (5.3 mph). Hydraulic operation is supported by an open-center, gear pump system, and drawbar pull reaches 80 kN (17,980 lbf) at 1.9 km/h (1.2 mph).
Year
1983, 1984, 1985, 1986, 1987
Country of manufacturing
Japan
General specifications
Dimensions
Width
Height
Length
Weight
3,300 mm
~129.9 in
3,300 mm
~129.9 in
5,800 mm
~228.3 in
15,280 kg
~33,686.7 lb
Engine Power
135 hp
Operating Weight
15,280 kg
Bucket Capacity - Heaped
1.8 cu(m)
Additional specifications
Emission standard level
EPA Tier 1/2
Displacement
8,500 cu(mm)
Transmission type
Power-shift transmission
Fuel tank
270 L
Hydraulic system type
Open-center, gear pump
Number of batteries
2
Cooling system
30 L
Number of Cylinders
6
Battery Voltage
24 volts
System Relief Pressure
17.997 kPa
Undercarriage Ground Pressure
77.43 kPa
Length of Track on Ground
5,650 mm
Number of Shoes
8
Hydraulic controls
Joystick controls
Battery Capacity
800 to 1,000 CCA
Engine Oil
20 L
Hydraulic System - Including Tank
75 L
Track Gauge
1,700 mm
Net Power (ISO 9249)
135 hp
Manufacturer and Model
S4D1,301-A
Net Peak Torque
470 ft-lb
Powertrain System Relief Pressure
17.995 kPa
Travel Speeds
8.5 km/h
Steering
Differential steering with hydraulic power
Drawbar Pull at 1.9 km/h (1.2 mph)
80 kN
Drawbar Pull at 3.2 km/h (2.0 mph)
50 kN
Pump Flow
75 L/min
Maximum Flow at Unloaded High Idle
75 L/min
Lift Cylinders
1.2 mm
Bucket-Dump Cylinder
1 mm
Alternator Rating
50-80
Track Rollers, Each Side
6
Track Pitch
160 mm
Width of Bucket (General Purpose)
2.8 m
Capacity Heaped
1.8 cu(m)
Bucket Weight
1.2 kg
Breakout Force
90 kN
Static Tipping Load
8 kg
Width of Bucket (Multipurpose)
2.8 m
Capacity Heaped Multipurpose
1.8 cu(m)
Bucket Weight (Multipurpose)
1.4 kg
Breakout Force (Buckets Multipurpose)
90 kN
Static Tipping Load (Buckets Multipurpose)
11 kg
Cab With Pressurizer and Heater/ Air Conditioner
200 kg
Lift-Cylinder Guards
50 kg
Full-Length Rock Guards
100 kg
Final-Drive Trash Guards
50 kg
Clam-Cylinder Protection for Multipurpose Bucket
70 kg
Retrieval Hitch
50 kg
Double-Bar Grousers
100 kg
Rated Operating Capacity
9,500 kg
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Komatsu D57S-1 Crawler Loader
1.8 cu(m)
15280 kg
5800 mm × 3300 mm × 3300 mm
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Most popular
What is the average price of a Komatsu D57S-1?
No confirmed market price is supplied. Check current listings and account for the machine’s condition, location, and configuration.
What are the key advantages of the Komatsu D57S-1?
Listed features include 100.7 kW (135 hp) net power, a 1.8 m³ (2.35 cu yd) heaped bucket capacity, power-shift transmission, differential steering with hydraulic power, joystick controls, and an open-center gear-pump hydraulic system.
What type of engine does the D57S-1 use?
The D57S-1 uses a Komatsu S4D1301-A engine with 6 cylinders. Its listed displacement is 8,500 mm³ and net power under ISO 9249 is 100.7 kW (135 hp).
How much horsepower does the D57S-1 have?
The D57S-1 has 100.7 kW (135 hp) of engine power. Its listed net power under ISO 9249 is also 100.7 kW (135 hp).
What fuel does the Komatsu D57S-1 use?
The supplied specifications do not confirm the fuel type. They list a fuel tank capacity of 270 L (71.3 US gal).
What jobs is this Crawler Loaders best suited for?
The supplied data does not specify intended applications. Its listed 1.8 m³ (2.35 cu yd) bucket capacity, 90 kN (20,233 lbf) breakout force, and crawler-loader configuration can be reviewed against the material-handling and earthmoving requirements of a job.
What is the expected lifespan of the D57S-1?
No expected service-life estimate is supplied. For a used machine, inspect engine condition, transmission operation, hydraulic performance, undercarriage wear, bucket components, and service records.
What should a buyer check when purchasing a used Crawler Loaders?
Inspect the engine, power-shift transmission, steering response, hydraulic pump and controls, cylinder leakage, bucket condition, track shoes, undercarriage, electrical system, and cooling system. Review service records and verify that operating functions work correctly during an inspection.
