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Checker Marathon

(1979 model)

Brief specs of 1979 Checker Marathon

4-door 5-seater sedan (saloon), petrol (gasoline) 6-cylinder 12-valve straight (inline) engine, OHV (overhead valve, I-head), 4097 cm3 / 250.0 cu in / 250.0 cu in, 67.1 kW / 90.0 hp / 90.0 hp @ 3600 rpm / 3600 rpm / 3600 rpm, 237.0 N·m / 174.8 lb·ft / 174.8 lb·ft @ 1600 rpm / 1600 rpm / 1600 rpm, automatic 3-speed transmission, rear wheel drive

units: metric UK US

Basic (general) data

Marque (make)CheckerIssued from1979
ModelMarathonIssued until
SerieMarathonNumber made
Model familyBody construction
Model codeBody designation
ManufacturerCheckerCountryUS

Bodywork

Base platformNumber of doors4
Bodywork typesedan (saloon)Number of seats5
Bodywork designerCargo capacity (volume)
Passenger space (volume)Max. cargo capacity (volume)

Dimensions & Weight

Length5201 mm / 204.8 in / 204.8 inTotal (curb) weight1720 kg / 3792 lb / 3792 lb
Width1930 mm / 76.0 in / 76.0 inDry weight
Height1590 mm / 62.6 in / 62.6 inLoad capacity
Wheelbase3048 mm / 120.0 in / 120.0 inGross (max.) weight
Track front1637 mm / 64.4 in / 64.4 inTowing weight
Track rear1608 mm / 63.3 in / 63.3 inWeight distribution (front)
Ground clearance190 mm / 7.5 in / 7.5 inFuel capacity82 l / 18.0 UK gal / 21.7 US gal
Length/wheelbase ratio1.71  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)Frontal area (A)2.61 m2 / 28.1 sq ft / 28.1 sq ft (est.)
Aerodynamic coefficient (Cd×A)Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)

Engine

Engine CodeTotal number of cylinders6
Engine Typestraight (inline) Total number of valves12
Engine ManufacturerValves per cylinder2
Engine constructionBore98.3 mm / 3.87 in / 3.87 in
Fuelpetrol (gasoline)Stroke89.7 mm / 3.53 in / 3.53 in
Fuel detailsBore/Stroke ratio1.1
Fuel supply1 Ro carbEngine displacement4097 cm3 / 250.0 cu in / 250.0 cu in
Engine Main bearings7Unitary capacity682.83 cm3/cylinder / 41.669 cu in/cylinder / 41.669 cu in/cylinder
Cam DesignOHV (overhead valve, I-head)Compression ratio8.1 : 1
SumpMax. output power67.1 kW / 90.0 hp / 90.0 hp at 3600 rpm / 3600 rpm / 3600 rpm
AspirationnaturalMax. torque237.0 N·m / 174.8 lb·ft / 174.8 lb·ft at 1600 rpm / 1600 rpm / 1600 rpm
Compressor typeN/AMaximum rpm
IntercoolernoMax. net output (power at the wheels)26.8 kW / 36.0 hp / 36.0 hp (est.)
CoolantwaterSpecific output16.4 kW/l / 0.360 bhp/cu in / 0.360 bhp/cu in
Catalytic converteryesSpecific torque57.9 N·m/l / 0.51 lb·ft/cu in / 0.51 lb·ft/cu in

Transmission

Transmission typeautomaticNumber of gears3
Wheel driverear wheel driveTop gear (drive) ratio1
  Final gear (drive) ratio3.07

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed
Acceleration 0-60 mph (97 km/h)Power-to-weight ratio52.3 kW/ton / 39.6 bhp/ton / 39.6 bhp/ton
Acceleration 0-100 km/hFuel consumption, City (urban)
Acceleration 0-100 mph (160 km/h)Fuel consumption, Road (extra-urban)
Acceleration 80-120 km/h (50-70 mph) in topFuel consumption, Mixed (combined)
Standing ¼mile time Fuel consumption, Euro
Standing kilometer time CO2 emissions
  Range

Chassis

Engine locationfrontEngine alignmentlongitudinal
Steeringrecirculating ball VPAsSteering details
Turns lock-to-lock3.46Turning circle13.2 m / 43.3 ft / 43.3 ft
Suspension frontIndependent, Wishbone (A-arm, control arm), Coil springs, Anti-roll (anti-sway) bar (ARB)Suspension rearLive axle, Semi-elliptic leaf springs
Wheels frontWheels rear
Tyres frontTyres rear
Brakes frontventilated discBrakes reardisc
Brake diameter frontBrake diameter rear
Brakes detailsservo-assistedBraked area

Technical specifications and performance data of Checker Marathon

Infobox

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