Towing tractor CHALLENGER 550

for aircraftelectricwith towbar

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 B747-8. A robust tow tractor at an economic price with low maintenance costs. Performance Dimensions (L x W x H) 7.760 x 3.000 x 2.060 mm (standard configuration w/o couplings) Drawbar pull 369 kN (calculated theoretical value, dependent on ballasted weight and adhesion factor) Turning radius 6.900 mm Weight 50 tons (without ballast) up to 60 tons (ballasted) Design Engine Deutz 6-cylinder diesel TCD 2013 L6 (COM IIIA / EPA-TIER3) Other engines or emission class on request. Transmission ZF-power shift transmission, torque converter, 6 speed forward, 3 speed reverse Axle Kessler front axle with hydro pneumatic suspension, Kessler rear axle rigid 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 Options Integrated hydraulic jacks, open or closed rear driver’s stand, air conditioning, park heating system, GPU 90 kVA, central greasing station, PREMIUM cab. With STAGE-IIIB/TIER4i or STAGE-IV/TIER-4F engines the drawbar pull (DBP), the engine power and the top speed may vary.