WL20
| Engine manufacturer | Perkins |
| Motor type | 403 J-11 |
| Cylinder | 3 |
| Drive output | 18.4 kW 18.4 kW |
| Drive output | 25 PS 24.7 HP |
| At max. rpm | 2,800 U/min 2,800 rpm |
| Cylinder capacity | 1,131 cm³ 69.02 in³ |
| Type of coolant | Water |
| Exhaust standard level | V |
| Exhaust aftertreatment | - |
| Operating voltage | 12 V |
| Battery | 77 Ah |
| Alternator | 40 A |
| Bucket capacity (standard bucket) | 6.71 ft³ |
| Operating weight | 2,000 - 2,150 kg 4,409 - 4,740 lb |
| Tipping load with bucket – machine straight, loading frame horizontal | 1,215 - 1,437 kg 2,679 - 3,168 lb |
| Tipping load with bucket – machine pivoted, loading frame horizontal | 977 - 1,206 kg 2,154 - 2,659 lb |
| Tipping load with pallet fork – machine straight, loading frame horizontal | 904 - 970 kg 1,993 - 2,138 lb |
| Tipping load with pallet fork – machine pivoted, loading frame horizontal | 719 - 866 kg 1,585 - 1,909 lb |
| Driver's cab | FSD (EPS, cabin) |
| Tank capacity for fuel | 20 l 5.28 US gal |
| Tank capacity for hydraulic oil | 20 l 5.28 US gal |
| Type of drive | Hydrostatic |
| Drive unit | universal joint shaft |
| Speed levels | 2 |
| Axle | T80 (T94) |
| Travel speed Standard | 0 - 20 km/h 0 - 12.43 mph |
| Operating brake | Hydrostatic drive system acting on all 4 wheels (wear-free) |
| Parking brake | Service and parking brake in the drive train |
| Differential lock | 100% VA + HA (option) |
| Drive hydraulics working pressure (max.) | 330 (450) bar 4,786 (6,527) psi |
| Work hydraulics discharge volume (max.) | 30,8 l/min 8.14 gpm |
| Work hydraulics working pressure (max.) | 3,263 psi |
| Kinematics type | P |
| Lifting cylinder | 2 |
| Tipping cylinder | 1 |
| Quick change system | hydraulic |
| Steering type | hydraulically activated articulated pendulum steering |
| Steering cylinder | 1 |
| Oscillating angle | ± 12 degree |
| Average sound power level LwA (operator's canopy) | 99 dB(A) |
| Guaranteed sound power level LwA (operator's canopy) | 101 dB(A) |
| Specified sound pressure level LpA (operator's canopy) | 84 dB(A) |
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FSD = Fahrerschutzdach Kipplastberechnung nachISO 14397 |