Komatsu
D31A-17
Crawler Dozer
21 specifications

52 data points
| Operating Weight | 18,745 lb |
|---|---|
| Bucket Capacity - struck | 1.10 yd³ |
| Bucket Capacity - heaped | 1.29 yd³ |
| Max Speed | 5.9 mph |
| Fuel Capacity | 41.0 gal |
| Cooling System Fluid Capacity | 4.5 gal |
| Final Drives Fluid Capacity | 1.8 gal |
| Engine Oil Capacity | 2.3 gal |
| Hydraulic Fluid Capacity | 18.0 gal |
| Operating Voltage | 12 V |
| Alternator Supplied Amperage | 95 A |
| Hydraulic System Fluid Capacity | 18.0 gal |
| Final Drive Fluid Capacity - each | 1.8 gal |
| Breakout Force Bucket | 15,735 lb |
| Static Tipping Load | 11,800 lb |
| Engine Model | 4045T |
|---|---|
| Displacement | 276 in³ |
| Power Measured @ | 2,100 rpm |
| Gross Power | 73.0 hp |
| Net Power | 70.0 hp |
| Number of Cylinders | 4 |
| Aspiration | Altitude compensating turbocharger |
| Torque Measured @ | 1,300 rpm |
| Max Torque | 228 lb-ft |
| Pump Flow Capacity | 31.0 gal/min |
|---|---|
| Relief Valve Pressure | 2,600 psi |
| Pump Type | Gear |
| Ground Clearance | 13 in |
|---|---|
| Height - Top of Cab | 109 in |
| Length of Track on Ground | 77 in |
| Width to Outside of Tracks | 72 in |
| Length with Bucket on Ground | 180 in |
| Length w/o Blade | 180 in |
| Reach at Dump Height | 35 in |
| Clearance at Full Height and Dump | 103 in |
| Max Speed - Forward | 5.9 mph |
|---|---|
| Max Speed - Reverse | 6.4 mph |
| Transmission Type | Full power shift Dura-Shift with torque converter |
| Number of Forward Gears | 4 |
| Number of Reverse Gears | 4 |
| Ground Pressure | 9 psi |
|---|---|
| Track Gauge | 57 in |
| Number of Track Rollers per Side | 5 |
| Number of Shoes per Side | 37 |
| Standard Shoe Size | 14 in |
| Ground Contact Area | 2,128 in³ |
| Track Pitch | 6 in |
| Length of Track on Ground | 77 in |
| Track Shoe Width | 14 in |
| Width | 78 in |
|---|---|
| Capacity | 1.29 yd³ |
| Blade Angle (both directions) | 25 ° |
Other crawler dozers in a similar weight class.