- Standard Shoe Size: 28 in / 711.2 mm
- Ground Contact Area: 6.2 in2 / 0.01 m2
- Ground Pressure: 11.9 psi / 82.05 kPa
- Number Of Carrier Rollers Per Side: 2
Published dimensions and weight
Komatsu D155AX-7
The Komatsu D155AX-7 pairs the SAA6D140E-6 engine (354 hp) with an operating weight near 39.5 t.
01Published dimensions and weight
Dimensions reference
Measurement reference — not to scale
01Dimensions referenceLength × width × height
02Operating Weight87100 lb39507.9 kg
03Selected published values28
Crawler tractors are commonly used for pushing, grading and clearing material where tracked traction is useful. Published rows for Komatsu D155AX-7 include published operating weight of 87100 lb / 39507.9 kg, published engine power of 360 hp / 268.5 kw, published hydraulic flow of 47.6 gal/min / 180.2 L/min. These values describe the published configuration; verify the specific machine's configuration, attachments and records.
- Compare the published “Standard Shoe Size” field (28 in / 711.2 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Ground Contact Area” field (6.2 in2 / 0.01 m2) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Ground Pressure” field (11.9 psi / 82.05 kPa) with the specific machine's configuration and records; options and condition can differ.
02Specifications
Published values, clearly grouped.
Published specifications and measurements are organized by section for quick reference.
Undercarriage
Standard Shoe Size28 in711.2 mm
Ground Contact Area6.2 in20.01 m2
Ground Pressure11.9 psi82.05 kPa
Number Of Carrier Rollers Per Side22
Number Of Shoes Per Side4242
Number Of Track Rollers Per Side77
Engine
Number Of Cylinders66
Engine Make22382238
Engine ModelSAA6D140E-6SAA6D140E-6
Gross Power360 hp268.5 kw
Net Power354 hp264 kw
Power Measured @1900 rpm1900 rpm
Displacement15.3 cu in0.3 L
Operational
Operating Weight87100 lb39507.9 kg
Fuel Capacity165 gal624.6 L
Cooling System Fluid Capacity27.3 gal103.4 L
Engine Oil Capacity9.8 gal37.1 L
Hydraulic Fluid Capacity24.2 gal91.7 L
Powertrain Fluid Capacity23.8 gal90.1 L
Final Drives Fluid Capacity8.2 gal31.1 L
Transmission
Transmission TypeTORQFLOWTORQFLOW
Number Of Forward Gears33
Number Of Reverse Gears33
Max Speed - Forward7.2 mph11.6 km/h
Max Speed - Reverse8.7 mph14.1 km/h
Hydraulic System
Pump TypePistonPiston
Relief Valve Pressure3980 psi27441.2 kPa
Pump Flow Capacity47.6 gal/min180.2 L/min
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Manufacturer-published specifications.