10
S
PECIFICATIONS
S
PECIFICATIONS
ENGINE
Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Komatsu SAA6D125E-3
Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Water-cooled, 4-cycle
Aspiration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Turbocharged
Number of cylinders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Bore x stroke . . . . . . . . . . . . . . . . . . .125 mm x 150 mm 4.9" x 5.9"
Piston displacement . . . . . . . . . . . . . . . . . . . . . . . .11.04 ltr 674 in
3
Performance:
Flywheel horsepower . . . . . . . . . . . .202 kW 271 HP (SAE J1349)
202 kW 275 PS (DIN 6270)
Rated rpm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2000 rpm
Fuel system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Direct injection
Governor . . . . . . . . . . . . . . . . . . . . . . . .Electronic, all-speed control
Lubrication system:
Lubrication method . . . . . . . . . . . . . . .Gear pump, force-lubrication
Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Full-flow type
Air cleaner . . . . . . . . . . . . . . . . . .Dry type with double elements and
dust evacuator, plus dust indicator
TRANSMISSION
Torque converter:
Type . . . . . . . . . . . . . . . . . . . .3-element, single-stage, single-phase
Transmission:
Type . . . . . . . . . . . . . . . . . . . . . . .Full-powershift, countershaft type
Travel speed: km/h mph
HYDRAULIC SYSTEM
Steering system:
Hydraulic pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Gear pump
Capacity . . . . . . . . . . . .146 ltr/min 38.6 U.S. gal/min at rated rpm
Relief valve setting . . . . . . . . . . . . . . . . . . . .210 kgf/cm23,000 psi
Hydraulic cylinders:
Type . . . . . . . . . . . . . . . . . . . . . . . . . .Double-acting, piston type
Number of cylinders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Bore x stroke . . . . . . . . . . . . . .100 mm x 441 mm 3.9" x 17.3"
Loader control:
Hydraulic pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Gear pump
Capacity . . . . . . . . . . . .303 + 120 ltr/min 80.0 + 31.7 U.S. gal/min
at rated rpm
Relief valve setting . . . . . . . . . . . . . . . . . . . .210 kgf/cm23,000 psi
Hydraulic cylinders:
Type . . . . . . . . . . . . . . . . . . . . . . . . . .Double-acting, piston type
Number of cylinders—bore x stroke:
Boom cylinder . . . . . . . . . . .2—180 mm x 881 mm 7.1" x 34.7"
Bucket cylinder . . . . . . . . .1—225 mm x 572 mm 8.9" x 22.5"
Control valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-spool type
Control positions:
Boom . . . . . . . . . . . . . . . . . . . . . . . .Raise, hold, lower, and float
Bucket . . . . . . . . . . . . . . . . . . . . . . . . .Tilt-back, hold, and dump
Hydraulic cycle time (rated load in bucket)
Raise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6.5 sec
Dump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.6 sec
Lower (Empty) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3.8 sec
SERVICE REFILL CAPACITIES
Cooling system . . . . . . . . . . . . . . . . . . . . . . . . . .50 ltr 13.2 U.S. gal
Fuel tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . .417 ltr 110.2 U.S. gal
Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38 ltr 10.0 U.S. gal
Hydraulic system . . . . . . . . . . . . . . . . . . . . . . . .186 ltr 49.1 U.S. gal
Axle (each front and rear) . . . . . . . . . . . . . . . . . .55 ltr 14.5 U.S. gal
Torque converter and transmission . . . . . . . . . . .60 ltr 15.9 U.S. gal
BUCKET SELECTION GUIDE
AXLES AND FINAL DRIVES
Drive system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Four-wheel drive
Front . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Fixed, semi-floating
Rear . . . . . . . . . . . . . . . . . . . . . . .Center-pin support, semi-floating,
30˚ total oscillation
Reduction gear . . . . . . . . . . . . . . . . . . . . . . . . . . . .Spiral bevel gear
Differential gear . . . . . . . . . . . . . . . . . . . . . . . . . . .Conventional type
Final reduction gear . . . . . . . . . . . . .Planetary gear, single reduction
BRAKES
Service brakes . . . . . . . . . . . . . . . . . . . . . . . .Hydraulically actuated,
wet disc brakes actuate on four wheels
Parking brake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Wet disc brake
Emergency brake . . . . . . . . . . . . . .Parking brake is commonly used
STEERING SYSTEM
Type . . . . . . . . . . . . . .Articulated type, full-hydraulic power steering
with orbit-roll system
Steering angle . . . . . . . . . . . . . . . . . . . . . . . . . . .40˚ each direction
Minimum turning radius at
the center of outside tire . . . . . . . . . . . . . . . . . . . . . .5900 mm 19'4"
1st 2nd 3rd 4th
Forward 6.3 3.9 12.1 7.5 21.6 13.4 34.3 21.3
Reverse 6.6 4.1 12.8 8.0 22.8 14.2 35.8 22.2
Stock Pile Bucket with BOC
(Loading and excavating of soil, sand and
variety of other commonly handled material)
Excavating Bucket with BOC
Excavating Bucket with Teeth and Segment Edge
(Loading and excavating of crushed or blasted rock)