October 2020 – issue 1
Page
7
of
29
Section 2 - Main Technical Specifications (continued)
2B - Main Technical Specifications of the Chassis:
2B.1 – Electric Drive Motor:
ZERO EMISSION CITY BUS Owner’s
Manual
Model
DDM155A (WEM195)
Manufacturer
Prestolite
Mode and type
Electric PMSM
PMSM
(Permanent Magnet Synchronous Motor)
Maximum net output power
350 kW
Maximum net output power (30 min)
195 kW
Maximum torque
3500 Nm
Nominal rated voltage
600 V DC
Ingress protection
IP67
2B.2 - Tail Shaft Model:
Exposed, two universal joints; Universal joint: Rigid cross-shaft needle bearing
2B.3 - Front Axle Model :
ZF RL-82EC IFS with Knorr disc brakes 7,500 kg rating.
2B.4 - Rear Axle Model
：
Type:
ZF A132 with Knorr disc brakes, 13,000 kg rating.
Final gear ratio: 5.87
Brake type: Pneumatic control braking system; Knorr disc brakes.
2B.5 - Steering System Type :
Bosch 8098 steering gear
Redirector type: Recirculation ball-type, power steering system
Steering wheel diameter: 450mm, adjustable height and rake
2B.6 - Suspension Type:
Air suspension with 2 + 4 air bellows.
Front suspension: Equipped with two airbags, two telescopic shock absorbers and transversal stabilizer.
Rear suspension: Equipped with four airbags, four telescopic shock absorbers and transversal stabilizer.
2B.7 - Wheels and Tyres:
Wheel type: 8.25 × 22.5 standard steel rims (alloys optional)
Tyre specification (front / rear):
Michelin X coach energy
Z
295/80R22.5 tyre (rolling resistance 4.9).
Tyre inflation pressure (front / rear): 825 / 825Kpa (maximum – ADR limit)
