High breakout force makes this wheel loader ideal for tough digging applications. A quiet cab and the advanced joystick steering system enhance operator comfort.
| Model | Komatsu SAA6D170E-7* |
| Type | Water-cooled, 4-cycle |
| Aspiration | Komatsu variable geometry, turbo-charged, after-cooled, cooled EGR |
| Number of cylinders | 6 |
| Bore x stroke | 170 x 170 mm |
| Piston displacement | 23.15 L |
| Governor | All-speed, electronic |
| Horsepower: | |
| SAEJ1995 - Gross | 396 kW |
| ISO 9249 / SAEJ1349 - Net | 395 kW |
| Rated rpm | 1 800 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 SAA6D170E-7* |
| Type | Water-cooled, 4-cycle |
| Aspiration | Komatsu variable geometry, turbo-charged, after-cooled, cooled EGR |
| Number of cylinders | 6 |
| Bore x stroke | 6.69 x 6.69 in |
| Piston displacement | 1,413 in³ |
| Governor | All-speed, electronic |
| Horsepower: | |
| SAEJ1995 - Gross | 530 HP |
| ISO 9249 / SAEJ1349 - Net | 529 HP |
| Rated rpm | 1,800 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, two-phase
Transmission: Automatic full-powershift, planetary type
| Travel speed Measured with 35/65-33 tires: |
Forward* | Reverse* |
| 1st | 6.7 kph | 7.3 kph |
| 2nd | 11.7 kph (12.4 kph) |
12.8 kph (13.5 kph) |
| 3rd | 20.3 kph (21.7 kph) |
22.0 kph |
| 4th |
33.8 kph |
37.0 kph |
*P-mode
( ): Lock-up clutch ON
Torque converter: three-elements, one-stage, two-phase
Transmission: Automatic full-powershift, planetary type
| Travel speed Measured with 35/65-33 tires: |
Forward* | Reverse* |
| 1st | 4.2 mph | 4.5 mph |
| 2nd | 7.3 mph (7.7 mph) |
8.0 mph (8.4 mph) |
| 3rd | 12.6 mph (13.5 mph) |
13.7 mph |
| 4th |
21.0 mph |
23.0 mph |
*P-mode
( ): Lock-up clutch ON
| Drive system | Four-wheel drive |
| Front | Fixed, full-floating |
| Rear | Center-pin support, full-floating, 22° 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, 22° 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 |
| Emergency brake | One of dual service brake circuits is commonly used |
| Service brakes: | Hydraulically actuated, wet multiple-disc brakes actuate on four wheels |
| Parking brake: | Wet multiple-disc brake |
| Emergency brake | One of dual service brake circuits is commonly used |
| Type | Articulated type, full-hydraulic power steering |
| Steering angle | 43° each direction. |
| Minimum turning radius at the center of outside tire | 7 075 mm |
| Type | Articulated type, full-hydraulic power steering |
| Steering angle | 43° each direction. |
| Minimum turning radius at the center of outside tire | 23 ft. 3 in |
| Steering system: | |
| Hydraulic pump | Piston pump |
| Capacity (at rated rpm) | 163 L/min |
| Relief valve setting | 34.3 MPa 350 kgf/cm² |
| Hydraulic cylinders: | |
| Type | Double-acting, piston type |
| Number of cylinders | 2 |
| Bore x stroke | 100 x 486 mm |
| Loader control: | |
| Hydraulic pump | Piston pump |
| Capacity at rated rpm | 239 + 239 L/min |
| Relief valve setting | 34.3 MPa 350 kgf/cm² |
| Hydraulic cylinders: | |
| Type | Double-acting, piston type |
| Number of cylinders: | Bore x Stroke |
| Boom cylinder / 2 | 200 x 1067 mm |
| Bucket cylinder / 1 | 225 x 776 mm |
| 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 | 8.7 s |
| Dump | 2.3 s |
| Lower (Empty) | 4.1 s |
| Steering system: | |
| Hydraulic pump | Piston pump |
| Capacity (at rated rpm) | 43.1 US gpm |
| Relief valve setting | 4,980 psi |
| Hydraulic cylinders: | |
| Type | Double-acting, piston type |
| Number of cylinders | 2 |
| Bore x stroke | 4.5 x 20 in |
| Loader control: | |
| Hydraulic pump | Piston pump |
| Capacity at rated rpm | 63.1 + 63.1 US gpm |
| Relief valve setting | 4,980 psi |
| Hydraulic cylinders: | |
| Type | Double-acting, piston type |
| Number of cylinders: | Bore x Stroke |
| Boom cylinder / 2 | 7.9 x 42 in |
| Bucket cylinder / 1 | 8.9 x 30.6 in |
| 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 | 8.7 s |
| Dump | 2.3 s |
| Lower (Empty) | 4.1 s |
| Cooling system | 150 L |
| Fuel tank | 718 L |
| Engine | 86 L |
| Hydraulic system | 443 L |
| Axle (front) | 185 L |
| Axle (rear) | 193 L |
| Torque converter and transmission | 78 L |
| DEF tank | 39.7 L |
| Cooling system | 39.6 US gal |
| Fuel tank | 189.7 US gal |
| Engine | 22.7 US gal |
| Hydraulic system | 117.0 US gal |
| Axle (front) | 48.9 US gal |
| Axle (rear) | 51.0 US gal |
| Torque converter and transmission | 20.6 US gal |
| DEF tank | 10.5 US gal |