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| General Information |
| Make |
Checker |
| Model |
Marathon |
| Production Year |
1979 |
| Country |
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| Designer |
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| Production Number |
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| Model Code |
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| Model Family |
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| Chassis and Dimensions |
| Chassis Type |
4/5S SAL |
| Number of Doors |
4 |
| Wheelbase |
3048 mm (120 in) |
| Front Track |
1637 mm (64,4 in) |
| Rear Track |
1608 mm (63,3 in) |
| Length |
5201 mm (204,8 in) |
| Width |
1930 mm (76 in) |
| Height |
1590 mm (62,6 in) |
| Ground Clearance |
190 mm (7,5 in) |
| Length / Wheelbase Ratio |
1,71 |
| Weight |
1720 kg (3788,5 lb) |
| Weight Distribution (front/rear) |
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| Fuel Capacity |
82 litre (18 Imp gal , 21,7 US gal) |
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| Aerodynamics |
| Drag Coefficient |
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| Frontal Area |
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| Cx |
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| Engine Specifications |
| Engine Manufacturer |
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| Engine Location |
Front |
| Engine Alignment |
Longitudinal |
| Engine Construction |
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| Coolant Type |
Water |
| Engine Type |
OHV |
| Number of Cylinders and Placement |
S-6 |
| Valves per Cylinder |
2 (Total of 12 Pieces) |
| Engine Displacement |
4097 cc (250,02 cu in) |
| Bore |
98,3 mm (3,87 in) |
| Stroke |
89,7 mm (3,53 in) |
| Bore / Stroke Ratio |
1,1 |
| Unitary Capacity |
682,83 cc/cylinder (41,67 cu in/cylinder) |
| Number of Main Bearings |
7 |
| Compression Ratio |
8,1 : 1 |
| Fuel System Type |
1 Ro carb |
| Aspiration Type |
Normal |
| Compressor Type |
- |
| Intercooler Type |
None |
| Catalytic Converter |
Yes |
| Maximum Engine Power |
90 HP (67,1 kW) |
| Maximum Engine Power rpm |
3600 d/d |
| Maximum Engine Torque |
237 N.m (174,9 lb.ft , 24,2 kg.m) |
| Maximum Engine Torque rpm |
1600 d/d |
| Engine Torque at Max. Engine Power rpm |
178 N.m (3600 d/d) |
| Power / Weight Ratio |
52,3 HP/ton (39 W/kg) |
| Power / Engine Displacement Ratio |
22 HP/litre (16,4 kW/litre) |
| CO2 Emissions |
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| Fuel Consumption |
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| Performance |
| 0 - 80 km/h |
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| 0 - 60 mph |
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| 0 - 100 km/h |
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| 0 - 160 km/h |
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| 80 - 120 km/h (in top gear) |
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| 0 - 400 m Acceleration |
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| 0 - 1000 m Acceleration |
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| Top Speed |
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| Gearbox and Transmission |
| Transmission Type |
3A |
| Top Gear Ratio |
1 : 1 |
| Final Drive Ratio |
3,07 : 1 |
| Drive Wheels |
RWD (Rear Wheel Drive) |
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| Handling, Suspension Geometry and Brakes |
| Steering Type |
recirculating ball VPAS |
| Steering Turns (lock to lock) |
3,46 |
| Turning Circle Diameter |
13,2 m (43,3 ft) |
| Suspension (front) |
I.W.CS.ARB. |
| Suspension (rear) |
LA.SE. |
| Brakes (front/rear) |
VeDi/Di-S |
| Brake Disc Diameter (front) |
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| Brake Disc Diameter (rear) |
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| Wheels (front) |
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| Wheels (rear) |
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| Tyres (front) |
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| Tyres (rear) |
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