JAC J75 Service Manual

7.5 TONNE

JAC J75

WIDE CAB

JAC J75

WIDE CAB

KEY FEATURES GVM 7.5 Tonne GCM 11 Tonne

3.8L Cummins ISFe5 engine
6 speed manual transmission
WABCO full air system with ABS
Air conditioning
Power windows

Nominal 4 Tonne Payload
Power 105kW @ 3200rpm
Torque 450NM @ 1800rpm
Power steering

jactrucks.com.au

J75 ENGINE &

J75 WIDE CABJ75 WIDE CAB

DRIVELINE SPECS

7.5 TONNE

ENGINE SPECIFICATIONS

Engine Cummins ISFe5 3.8L

Power 105KW / 2600 RPM

Torque 450Nm / 1200-2200 RPM

Maximum Governed Engine
Speed

Engine Type 4 cylinder 16 valve SOHC

Combustion System

Bore x Stroke (mm) 102 x 115

Piston Displacement (cc) 3780

Fuel Injection System

Air Intake System

Air Cleaner Paper elements

Fan Clutch Electro-magnetic

2950rpm

Electronically controlled direct
injection compression ignition

Direct injection high pressure
common rail system

Turbo charged & air-to-air
intercooler

EXHAUST SYSTEM

Exhaust Outlet Horizontal

Emission Control System

Selective Catalytic Reduction
(SCR) ADR 80/03 Euro 5

WHEELS & TYRES

Wheel Type 6 Stud Wheel

Front Wheel & Rim Size 215/75R 17.5

Rear Wheel & Rim Size 215/75R 17.5 dual

Number of Tyres 2 Front / 4 rear

Spare Tyre Carrier Equipped

PERFORMANCE & GEAR RATIOS

Engine RPM @ 100km/h 2450

Gradeability Tan % @ GVM 32.5

Final Drive Ratio 4.33:1

GEAR RATIO

1st: 6.314 5th: 1.000

2nd: 3.913 6th: 0.788

3rd: 2.262 Rev: 5.874

4th: 1.393

AXLE LOAD & TYRE LOAD LIMITS

Front Axle JAC E8513

CLUTCH

Clutch Type

Facing Outside Diameter 325 mm

Facing Lining Area 966 cm²

Control Air assisted clutch

Dry single plate with damper
springs

TRANSMISSION

Manual LC6T46

Type 6 Speed with Overdrive

BRAKES

Auto adjusting front and rear

Service Brakes

Control WABCO ABS

Front Drum Diameter 320mm

Rear Drum Size 320mm

Anti-lock System (ABS) Standard

Exhaust Brake Standard

drum brakes with four circuit
full air control

Front Axle Tyre Rating 3000 kg

Rear Axle JAC E8530

Rear Axle Tyre Rating 6000 kg

Front Axle Type Forged Steel "I" Beam

Rear Axle Type

Fully floating single reduction,
single speed hypoid gear set

SUSPENSION

Longitudinally installed semi-elliptic

Front Suspension

Spring Dimensions, Span & Width Size: 1140L x 70W mm

Rear Suspension

Spring Dimensions, Span & Width Size: 1250L x 70W mm

leaf spring and double acting
telescopic shock absorber

Longitudinally installed semi-elliptic
2 Stage multi-leaf springs and
double acting telescopic
shock absorber

ELECTRICAL

Type 24 Volt System

Batteries 12volt-80Ahx2

Starter Capacity 24 Volt / 3.7Kw