Komatsu
D31A-17
Crawler Dozer
21 specifications

39 data points
| Operating Weight | 18,510 lb |
|---|---|
| Fuel Capacity | 41.0 gal |
| Cooling System Fluid Capacity | 4.5 gal |
| Final Drives Fluid Capacity | 2.6 gal |
| Engine Oil Capacity | 3.3 gal |
| Hydraulic Fluid Capacity | 15.0 gal |
| Operating Voltage | 12 V |
| Alternator Supplied Amperage | 65 A |
| Engine Model | 4045T |
|---|---|
| Displacement | 276 in³ |
| Power Measured @ | 2,100 rpm |
| Gross Power | 99.0 hp |
| Net Power | 90.0 hp |
| Number of Cylinders | 4 |
| Aspiration | Altitude-compensating turbocharger |
| Torque Measured @ | 1,300 rpm |
| Max Torque | 293 lb-ft |
| Pump Flow Capacity | 17.0 gal/min |
|---|---|
| Relief Valve Pressure | 2,750 psi |
| Pump Type | Gear |
| Ground Clearance | 15 in |
|---|---|
| Height - Top of Cab | 110 in |
| Width Over Tracks | 94 in |
| Length w/ Blade | 161 in |
| Max Speed - Forward | 5.9 mph |
|---|---|
| Max Speed - Reverse | 5.8 mph |
| Transmission Type | Full power shift |
| Number of Forward Gears | 4 |
| Number of Reverse Gears | 4 |
| Ground Pressure | 6 psi |
|---|---|
| Number of Track Rollers per Side | 6 |
| Number of Shoes per Side | 38 |
| Standard Shoe Size | 18 in |
| Ground Contact Area | 3,082 in³ |
| Track Pitch | 7 in |
| Width | 106 in |
|---|---|
| Height | 35 in |
| Capacity | 2.50 yd³ |
| Blade Angle (both directions) | 25 ° |
Other crawler dozers in a similar weight class.