ST31
| Ground Pressure (standard track) | 5.8 psi 0.4 bar |
| Break Out Force Bucket | 5,611 lbf 24,959 N |
| Break Out Force Lift Arm | 5,546 lbf 24,670 N |
| Tractive Effort max. at 100% effective force | 9,873.6 lbf 43,920 N |
| Bucket Roll Back | 1.6 s 1.6 s |
| Bucket Roll Out | 2.1 s 2.1 s |
| Lift Arm Raise | 3.6 s 3.6 s |
| Lift arm lower | 2 s 2 s |
| Travel speed stage 1 | 6.5 m/H 10.5 km/h |
| Travel speed stage 2 | 9.7 m/H 15.6 km/h |
| Overall Length without bucket | 106.9 " 2,716 mm |
| Overall Length with Bucket | 136.1 " 3,457 mm |
| Overall width without bucket | 64 " 1,625 mm |
| Overall Width (Large Track) | 67.1 " 1,705 mm |
| Overall height to top of ROPS | 82.8 " 2,104 mm |
| Bucket Hinge Pin Height | 128.5 " 3,264 mm |
| Bucket roll back at ground | 30 ° 30 ° |
| Bucket roll back at maximum height | 94 ° 94 ° |
| Angle of departure | 33 ° 33 ° |
| Bucket dump height at maximum height | 163.4 " 4,151 mm |
| Bucket dump angle at maximum height | 40 ° 40 ° |
| Operating weight | 8,240.9 lb 3,738 kg |
| Track width | 12.6 " 320 mm |
| Track width (optional) | 15.7 " 400 mm |
| Ground clearance | 9.1 " 231 mm |
| Length of Track on Ground | 56.7 " 1,441 mm |
| Dump reach at maximum height | 38 " 966 mm |
| Cylinder | 4 |
| Cylinder capacity | 151.5 Inch3 2,482 cm3 |
| Operating power | 73.8 hp 55 KW |
| Operating Engine speed | 2,600 1/min 2,600 1/min |
| Engine type | Diesel engine |
| Engine Manufacturer | Kohler |
| Flow rate | 20.1 gal/mi 76 l/min |
| Flow rate max. | 29.9 gal/mi 113 l/min |
| Auxiliary relief pressure | 3,480 psi 240 bar |
| Fuel Tank capacity | 35 gal US 132.5 l |
| Tip Load | 6,199.4 lb 2,812 kg |
| Rated Operating Capacity at 50% Tip Load | 3,099.7 lb 1,406 kg |
| Rated Operating Capacity at 35% Tip Load | 2,169.4 lb 984 kg |