



CHALLENGER 550
Aircraft tractor
Ideal solution for the new Jumbo
Description
The CHALLENGER 550 has a lot of technical features built in its big brother, the CHALLENGER 700.
With its gross vehicle weight of up to 60 tons, the CHALLENGER 550 is designed in particular for push-back and maintenance towing of aircraft up to the size of a Boeing B747-8. A robust tow tractor at an economic price with low maintenance costs.
Technical specs
Performance
| Capacity | Aircraft weight up to 450 tons |
|---|---|
| Dimensions (L x W x H) | 7.760 x 3.000 x 2.060 mm (standard configuration w/o couplings) |
| Drawbar pull | 385 kN (calculated theoretical value, dependent on ballasted weight and adhesion factor) |
| Driving speed | Up to 27 km/h |
| Turning radius | 6.900 mm |
| Weight | 50 tons (without ballast) up to 60 tons (ballasted) |
Design
| Engine | Cummins Diesel Engine B6.7 (Stage-V), liquid-cooled Power output: 194 kW (264 PS / 260 HP) |
|---|---|
| Transmission | ZF-power shift transmission, torque converter, 6 speed forward, 3 speed reverse |
| Axle | Front axle with hydro-pneumatic suspension, rear axle without suspension |
| Tyres | 16.00 R25 |
| Steering | Hydraulic powered steering, (operational) front axle steering via Orbitrol, (operational) rear axle steered electronically, 4 steering modes: Front axle steering, rear axle steering, diagonal steering, all wheel steering |
| Braking system | Dual circuit hydraulic disc brakes, spring loaded parking brake |
| Electric system | 24V DC for vehicle electric system |
| Driver’s cab | Standard cab, liftable, closed with 2 seats |



