General Motors Jackaroo 4WD

Jackaroo 4x4

2001 prices: $46,050 manual, $48,000 automatic.

The Isuzu General Motors Holden Jackaroo had a mid-term update in late 1999 for the 2000 model year. The most notable mechanical change was in the transmission: Base models retained the part-time manual four wheel drive system with manual locking free wheel hubs, but the SE Jackaroos got a push-button "torque on demand" system, i.e. an electrically operated multi-plate clutch to take drive to the front wheels.

Low range is still selected by a lever mounted on the floor. The 3.5 litre V6 petrol engine produces 158kW at 5400rpm and 310Nm at 3000rpm.

The 3 litre diesel (118kW at 3900rpm, 333Nm at 2000rpm) Jackaroos got the option of a 4-speed automatic transmission in late 1999.

The diesel is one of the modern common-rail diesel engines, which use very high pressure fuel delivery of 40,000kPa to hydraulic/electronic injectors operating at tip pressures up to 140,000kPa.

The Monterey (right) is the top line model with all the "good bits" and an optional luxury pack of leather seats, electric front seats (they never say chairs) and wood-grain trim. It is distinguished externally by rather fussy 12-spoke alloy wheels.

Holden Jackaroo 2000...
Manufacturer's figures:

station wagon, 5 seats, 4 doors, air-bags
loa: 4660mm, width: 1745mm, height: 1840mm
wheelbase: 2760mm, track: 1455mm/1460mm, grnd clearance: 195mm (petrol), 170mm (diesel)
approach: 40, departure: 31
turning radius: 5.8m
weight: 1890-2020kg (unladen), GVM: 2600kg
petrol:

3.5L, petrol, V6, mpfi, 4-valves/cyl, dohc
power: 158kW at 5400rpm, torque: 310Nm at 3100rpm

diesel:

3.0L 4-cyl turbo-charged and intercooled, 4-valves/cyl, dohc
power: 118kW at 3900rpm, torque: 333Nm at 2200rpm

transmission: 5m/4a, part-time 4WD (2.051:1 lo, 1.0:1 hi)
The Monterey has a `torque on demand' 4WD system, with sensors applying a multiplate clutch to limit front/rear wheel spin
suspension: indep-torsion-bar / live-coil, brakes: disc/disc (ABS std on Monterey, optional on SE auto from '99)
tyres: 245/70R16 (can fit LT225/75R16 and LT235/70R16), fuel-tank: 85L
price: $46,050 manual, $48,000 automatic. ($au 5/2001)
Rivals: Daewoo Musso, Mitsubishi Pajero, Toyota Prado

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