General Information and Operating Instructions
PUSHBACK TRACTOR CHALLENGER550
Page 2
1-3
Table 1:
Technical Data
Axles
Kessler LT91VPL 416
Brakes (hydraulic dual-circuit
brake system with spring-loaded
brake)
Operating brake
Knott TM 485
Parking brake
Knott TM FSG90/14145
Electrical control system (master
and slave)
IFM CR0032
Steering selection: all-wheel stee-
ring, front axle steering
Front
Directly via Orbitrol
Rear axle steering, diagonal steering
Back
Electronically controlled
Tires
Goodyear 16.00R25 EV-
4R 206A5 TL
Maximum relative air humidity
95%
Reference value
Value
Jan 28/19
Property of American Airlines