HHD8 8×6

ENGINE
CURSOR 13 turbo intercooler euro 3 diesel injection/cycle with electronic unit injection pumps. 6 in-line cylinders. Single block head, four valves per cylinder, light alloy pistons. Total displacement: 12.882 cm3. Bore for stroke: 135 x 150 mm.Water cooling. Viscostatic cooling fan. Dry air filter with safety cartridge. Vertical muffler.

PERFORMANCE

Manual gear ZF 16 S 2520 TO with servoshift, 16 synchronised forward speeds + 2 reverse

gear gear ratio speed (km/h)
1 13.80 4,7
2 11.54 5,7
3 9.49 6,9
4 7.93 8,3
5 6.53 10,0
6 5.46 12,0
7 4.57 14,3
8 3.82 17,2
9 3.02 21,7
10 2.53 25,9
11 2.08 31,5
12 1.74 37,7
13 1.43 45,8
14 1.20 54,6
15 1.00 65,5
16 0.84 78,0
1 RM 12.92 5,1
2 RM 10.80 6,1

On request: ZF AStronic 16 AS 2630 TO semi-automatic transmission (16+2 speeds).
Automatic gearbox Allison HD 4700 with closed loop adaptive shifts, 7 forward speeds + 1 reverse. Torque converter TC-561. Stall torque ratio 1.58. Cab-mounted shift selector lever.

TRANSFER
Mechanical with two ratios. It consists of a series of helical spur gears, mounted on three shafts, engaged with each other. Differential lockable by pneumatic control.
Transmission ratio: 0:913 – 1,407
Front torque distribution ratio: 1,0
Rear torque distribution ratio: 2,6

* Technical data and general specifications – validity to be checked according to each individual country.

AXLES

FRONT
Driving and steering type for max technical weight 10.000 kg, with double reduction, central with pinion-crown wheel, side by means of epicycloidal assembly in wheel hubs.
On request:
Differential lockable by pneumatic control from driver’s seat.
REAR
Two driving axles in tandem for max technical weight 40.000 kg. Double reduction: central with bevelled pair, final in the wheel hubs by means of epicycloidal assembly. 2nd axle with distributor for torque distribution between the two axles. Differential lockable by pneumatic control from driver’s seat. Tandem assembled to the chassis by reaction rods with silentblock.
Rear-axle ratio 1:7,29