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Komatsu

HM300-5

Off-Highway Truck

Operating Weight
117,881 lb
Max Speed
36.5 mph
Gross Power
332.6 hp
Net Power
324.6 hp
Komatsu HM300-5 Off-Highway Truck
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Specifications

47 data points

Operating Specifications

Operating Specifications specifications
Fuel Capacity102.5 gal
Tire Size23.5 R25
Engine Oil Capacity9.3 gal
Hydraulic System Fluid Capacity27.3 gal
Transmission Fluid Capacity25.9 gal

Engine

Engine specifications
Engine ModelSAA6D125E-7
Displacement674 in³
Power Measured @2,000 rpm
Gross Power332.6 hp
Net Power324.6 hp
Number of Cylinders6
Max Torque1 lb-ft
MakeKomatsu
Stroke6 in
Bore5 in

Weights

Weights specifications
Operating Weight117,881 lb
Total Empty56 lb
Total Loaded118 lb
Rear Axle - empty18 lb
Front Axle - loaded31 lb
Rear Axle - loaded33 lb
Center Axle - empty23 lb
Center Axle - loaded36 lb

Dimensions

Dimensions specifications
Ground Clearance23 in
Wheelbase162 in
Overall Length406 in
Overall Width115 in
Overall Height143 in
Dump Height254 in
Dump Ground Clearance24 in

Transmission

Transmission specifications
Max Speed36.5 mph
Transmission TypeFull-automatic Counter-shaft type
Number of Forward Gears6
Number of Reverse Gears6

General Specifications

General Specifications specifications
Operating Weight lbs (kg)117,892 (53,475) Starting 2019 Model Year
Engine typeKomatsu SAA6D125E-7 Starting 2019 Model Year
Articulated/RigidArticulated Starting 2024 Model Year
Drive Configuration6WD Starting 2019 Model Year
Rated Payload Tons (Metric Tons)30.9+E6 (28) Starting 2021 Model Year
Mfg. ModelHM300-5 Starting 2019 Model Year
Drive System Mech/Electr.Mech Starting 2025 Model Year
Off-Highway TrucksOff-Highway Trucks Starting 2025 Model Year

Drive System

Drive System specifications
Drive Config6WD

Articulating/Rigid

Articulating/Rigid specifications
Articulating/RigidArticulated

Dump

Dump specifications
Rated Payload56,000 lb
Capacity - Heaped22.41 yd³
Capacity - Struck17.61 yd³

Comparable machines

Other off-highway trucks in a similar weight class.