This vehicle has a 5 door estate/station wagon body style with a front mounted engine supplying power to the rear wheels.
The Belmont Wagon Tri-matic is part of Holden's HQ model series.
The power is produced by a naturally aspirated engine of 2.8 litre capacity. This unit features overhead valve valve gear, 6 cylinder layout, and 2 valves per cylinder. It has an output of 118 bhp (120 PS/88 kW) of power at 4400 rpm, and maximum torque of 228 N·m (168 lb·ft/23.3 kgm) at 2000 rpm.
A 3 speed automatic gearbox transfers the power to the wheels.
Full specs
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| bodywork | |||
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| Body type | 4/5 seater estate/station wagon | ||
| Number of doors | 5 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2896 mm | 114 inches | |
| Track/tread (front) | 1529 mm | 60.2 inches | |
| Track/tread (rear) | 1529 mm | 60.2 inches | |
| Length | 4826 mm | 190 inches | |
| Width | 1877 mm | 73.9 inches | |
| Height | 1392 mm | 54.8 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.67 | ||
| Kerb weight | |||
| Weight distribution | |||
| fuel tank capacity | 62.5 litres | 13.7 [16.5] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | GM | ||
| Engine code | |||
| Cylinders | Straight 6 | ||
| Capacity | 2.8 litre 2838 cc (173.185 cu in) |
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| Bore × Stroke | 88.9 × 76.2 mm
3.5 × 3 in |
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| Bore/stroke ratio | 1.17 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 12 valves in total |
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| maximum power output | 120 PS (118 bhp) (88 kW) at 4400 rpm |
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| maximum torque | 228 Nm (168 ft·lb) (23.3 kgm) at 2000 rpm |
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| Specific output | 31 kW/litre 42.2 ps/litre 41.6 bhp/litre 0.68 bhp/cu in |
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| Specific torque |
80.34 Nm/litre
0.97 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 9.4:1 | ||
| Fuel system | 1 Bendix-Stromberg carburettor | ||
| bmep (brake mean effective pressure) | 1009.6 kPa (146.4 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 7 | ||
| Engine coolant | Water | ||
| Unitary capacity | 473 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | N | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | |||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | |||
| Power-to-weight ratio | |||
| Weight-to-power ratio | |||
| fuel consumption | |||
| Fuel consumption | |||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | |||
| km/litre | |||
| UK MPG | |||
| US MPG | |||
| Carbon dioxide emissions | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| chassis | |||
| Engine position | front | ||
| Engine layout | longitudinal | ||
| Drive wheels | rear wheel drive | ||
| Torque split | N/A | ||
| Steering | |||
| turns lock-to-lock | |||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | |||
| Wheel size rear | |||
| Tyres front | 7.35-14 | ||
| Tyres rear | 7.35-14 | ||
| Brakes F/R | Dr/Dr | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 3 speed automatic | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 3.36 | ||
| general | |||
| Carfolio.com ID | 833272 | ||
| Production total | |||
| Model code | 80135 | ||
| Model family | HQ | ||
| RAC rating | 29.4 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1971 Holden Belmont Wagon Tri-matic added 2025-06-01. Last modified 2025-06-01. |
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