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HM400-2

> Specifications  > Features  > Charts  > Standard Equipment

> Optional Equipment   > Need a Quote?
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Engine   
Model    Komatsu SAA6D140E-5 
Type    Water-cooled, 4-cycle 
Aspiration    Turbo-charged, after-cooled, cooled EGR 
Number of cylinders    6 
Bore  5.51''  140 mm 
Stroke  6.50''  165 mm 
Piston displacement  928 in³  15.2 ltr 
Horsepower     
SAE J1995 ... Gross  453 HP  338 kW 
ISO 9249 / SAE J1349 ... Net  438 HP  327 kW 
Rated rpm    2000 rpm 
Fan drive type    Mechanical 
Maximum torque  1,541 ft/lb  213 kg/m 
Fuel system    Direct injection 
Governor    Electronically controlled 
Lubrication system:     
Method    Gear pump, force lubrication 
Filter    Full-flow type 
Air cleaner    Dry type with double elements and precleaner, plus dust indicator 
EPA Tier 3 certified     
 
Transmission   
Torque converter    3-elements, 1-stage, 2-phase 
Transmission    Full automatic, countershaft type 
Speed range    6 speeds forward and 2 reverse 
Lockup clutch    Wet, single-disc clutch 
Forward    Torque converter drive in 1st gear, direct drive in 1st lockup and all higher gears 
Reverse    Torque converter drive and direct drive in all gears 
Shift control    Electronic shift control with automatic clutch modulation in all gears 
Maximum travel speed  36.4 mph  58.6 km/h 
 
Axles   
Full-time, all-wheel drive with 100% differential lock in all axles. 
Final drive type    Planetary gear 
Ratios:     
Differential    3.417 
Planetary    4.941 
 
Suspension System   
Front    Hydropneumatic suspension 
Rear    Combined hydropneumatic and rubber suspension system 
 
Steering System   
Type    Articulated type, fully hydraulic power steering with two double-acting cylinders 
Supplementary steering    Automatically actuated, electrically powered 
Minimum turning radius, wall to wall  28'7''  8.7 m 
Articulation angle    45° each direction 
 
Brakes   
Service brakes    Full hydraulic control, oil-cooled, multiple-disc type on all wheels 
Parking brake    Spring applied, caliper disc type 
Retarder    Front and center axle brakes act as retarder 
 
Main Frame   
Type    Articulated type, box-sectioned construction on front and rear. Connected by strong torque tubes. 
 
Body   
Capacity:     
Struck  21.6 cu.yd³  16.5 m³ 
Heaped (2:1 SAE)  29.2 cu.yd³  22.3 m³ 
Payload  40 U.S. ton  36.5 metric ton 
Material (high-tensile-strength steel)  184,925 psi  130 kg/mm² 
Material thickness:     
Bottom  0.63''  16 mm 
Front  0.31''  8 mm 
Sides  0.47''  12 mm 
Target area (inside length x width)  18'6'' x 10'6''  5629 mm x 3194 mm 
Heating    Exhaust heating (option) 
 
Hydraulic System   
Hoist cylinder    Twin, 2-stage telescopic type 
Relief pressure  2,990 psi  20.6 Mpa / 210 kg/cm² 
Hoist time    12 sec 
 
Cab   
Dimensions comply with ISO 3471 and SAE J1040-1988c ROPS (Roll-Over Protective Structure) standards. 
 
Weight (approximate)   
Empty weight  71,560 lb  32,460 kg 
Gross vehicle weight  152,200 lb  69,040 kg 
Weight distribution:     
Empty:     
Front axle    55.1% 
Center axle    22.8% 
Rear axles    22.1% 
Loaded:     
Front axle    29.0% 
Center axle    35.7% 
Rear axles    35.3% 
 
Tires   
Standard tire  29.5 R25   
 
Service Refill Capacities   
Fuel tank  130.8 U.S. gal  493 ltr 
Engine oil  13.2 U.S. gal  50 ltr 
Torque converter, transmission, and retarder cooling  30.4 U.S. gal  115 ltr 
Differentials (total)  25.6 U.S. gal  97 ltr 
Final drives (total)  8.7 U.S. gal  33 ltr 
Hydraulic system  47.6 U.S. gal  180 ltr 
Suspension (total)  5.4 U.S. gal  20.4 ltr 

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