Help surmount the most rugged conditions with a wheel loader that’s built for power. The WA800-8 features a z-bar loader linkage that provides excellent breakout force for tough digging applications. You can also help keep your operators productive and comfortable with an ergonomically designed cab.
*All comparisons and claims of improved performance made herein are made with respect to the prior Komatsu model unless otherwise specifically stated. Materials and specifications are subject to change without notice.
| Model | Komatsu SAA12V140E-7* |
| Type | Water-cooled, 4 cycle |
| Aspiration | Turbo-charged, after-cooled, cooled EGR |
| Number of cylinders | 12 |
| Bore x stroke | 140 x 165 mm |
| Piston displacement | 30.48 L |
| Governor | all-speed, electronic |
| Horsepower: |
|
| SAE J1995 - Gross | 638 kW |
| ISO 9249/SAE J1349 - Net | 637 kW |
| Rated rpm | 2 025 rpm |
| Fan drive method for radiator cooling | Hydraulic |
| Fuel system | Direct injection |
| Lubrication system: | |
| Method | Gear pump, force-lubrication |
| Filter | Full-flow type |
| Air cleaner | Dry type with double elements and dust evacuator, plus dust indicator |
*EPA Tier 4 Final emissions certified
| Model | Komatsu SAA12V140E-7* |
| Type | Water-cooled, 4 cycle |
| Aspiration | Turbo-charged, after-cooled, cooled EGR |
| Number of cylinders | 12 |
| Bore x stroke | 5.51 x 6.50 in |
| Piston displacement | 1,860 in³ |
| Governor | all-speed, electronic |
| Horsepower: |
|
| SAE J1995 - Gross | 856 HP |
| ISO 9249/SAE J1349 - Net | 854 HP |
| Rated rpm | 2,025 rpm |
| Fan drive method for radiator cooling | Hydraulic |
| Fuel system | Direct injection |
| Lubrication system: | |
| Method | Gear pump, force-lubrication |
| Filter | Full-flow type |
| Air cleaner | Dry type with double elements and dust evacuator, plus dust indicator |
*EPA Tier 4 Final emissions certified
Torque converter: Three-elements, one-stage, one-phase
Transmission: Full-powershift, planetary type
| Travel speed |
|
| 1st Forward | 7.6 kph |
| 1st Reverse* | 7.9 kph |
| 2nd Forward | 11.9 kph |
| 2nd Reverse* | 12.1 kph |
| 3rd Forward | 22.5 kph |
| 3rd Reverse* | 22.7 kph |
*P-mode
Measured with 45/65-R45 tires
Torque converter: Three-elements, one-stage, one-phase
Transmission: Full-powershift, planetary type
| Travel speed |
|
| 1st Forward | 4.7 mph |
| 1st Reverse* | 4.9 mph |
| 2nd Forward | 7.4 mph |
| 2nd Reverse* | 7.5 mph |
| 3rd Forward | 14.0 mph |
| 3rd Reverse* | 14.1 mph |
*P-mode
Measured with 45/65-R45 tires
| Drive system | Four-wheel drive | |
| Front | Fixed, full-floating | |
| Rear | Center-pin support, full-floating, 20° total oscillation | |
| Reduction gear | Spiral bevel gear | |
| Differential gear | Conventional type | |
| Final reduction gear | Planetary gear, single reduction |
| Drive system | Four-wheel drive | |
| Front | Fixed, full-floating | |
| Rear | Center-pin support, full-floating, 20° total oscillation | |
| Reduction gear | Spiral bevel gear | |
| Differential gear | Conventional type | |
| Final reduction gear | Planetary gear, single reduction |
| Service brakes | Hydraulically actuated, wet multiple-disc brakes actuate on four wheels |
| Parking brake | Wet multiple-disc brake |
| Service brakes | Hydraulically actuated, wet multiple-disc brakes actuate on four wheels |
| Parking brake | Wet multiple-disc brake |
| Type | Articulated type, fully-hydraulic power steering |
| Steering angle | 40° each direction |
| Minimum turning radius at the center of outside tire |
9 880 mm |
| Type | Articulated type, fully-hydraulic power steering |
| Steering angle | 40° each direction |
| Minimum turning radius at the center of outside tire |
32 ft. 5 in |
| Steering system: | |
| Hydraulic pump | Piston pump |
| Capacity / at rated rpm | 2 x 220 L/min |
| Relief valve setting | 31.4 MPa 320 kgf/cm2 |
| Hydraulic cylinders: | |
| Type | Double-acting, piston type |
| Number of cylinders | 2 |
| Bore x stroke | 160 x 576 mm |
| Work Equipment control: | |
| Hydraulic pump | Piston pump |
| Capacity / at rated rpm | 4 x 230 L/min |
| Relief valve setting | 31.4 MPa / 320 kgf/cm² |
| Hydraulic cylinders: | |
| Type | Double-acting, piston type |
| Number of cylinders—bore x stroke: |
|
| Boom cylinder - 2 | 260 x 1495 mm |
| Bucket cylinder - 1 | 300 x 995 mm |
| Control valve | Spool type |
| Control positions: | |
| Boom | Raise, hold, lower, and float |
| Bucket | Tilt-back, hold, and dump |
| Hydraulic cycle time (rated load in bucket) | |
| Raise | 10.2 s |
| Dump | 3.1 s |
| Lower (Empty) | 4.9 s |
| Steering system: | |
| Hydraulic pump | Piston pump |
| Capacity / at rated rpm | 2 x 58.1 US gpm |
| Relief valve setting | 4,554 psi |
| Hydraulic cylinders: | |
| Type | Double-acting, piston type |
| Number of cylinders | 2 |
| Bore x stroke | 6.3 x 22.7 in |
| Work Equipment control: | |
| Hydraulic pump | Piston pump |
| Capacity / at rated rpm | 4 x 60.8 US gpm |
| Relief valve setting | 4,554 psi |
| Hydraulic cylinders: | |
| Type | Double-acting, piston type |
| Number of cylinders—bore x stroke: |
|
| Boom cylinder - 2 | 10.2 x 58.9 in |
| Bucket cylinder - 1 | 11.8 x 39.2 in |
| Control valve | Spool type |
| Control positions: | |
| Boom | Raise, hold, lower, and float |
| Bucket | Tilt-back, hold, and dump |
| Hydraulic cycle time (rated load in bucket) | |
| Raise | 10.2 s |
| Dump | 3.1 s |
| Lower (Empty) | 4.9 s |
| Cooling system | 370 L |
| Fuel tank | 1555 L |
| Engine | 120 L |
| Hydraulic system | 1020 L |
| Axle (each front and rear) | 370 L |
| Torque converter and transmission | 180 L |
| Cooling system | 97.7 US gal |
| Fuel tank | 410.8 US gal |
| Engine | 31.7 US gal |
| Hydraulic system | 269.5 US gal |
| Axle (each front and rear) | 97.7 US gal |
| Torque converter and transmission | 47.6 US gal |
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