73 John Deere 500
ENGINE
Manufacturer: Canadian Curtiss-Wright (CCW)
Model: KEC-440/4
No. of  Cylinders: 2
Bore: 68MM
Stroke: 60MM
Displacement: 436CC
FUEL SYSTEM
Carburetor Manufacturer: Walbro
Carburetor Model: WDA-32
Tank Capacity(Gals.): 5.50 (U.S.)
Fuel Mixing Ratio: 50:1
CHASSIS AND BODY
MATERIAL
 Tunnel: Aluminum
 Hood and Console: Polyester
 Windshield: Polycarbonate
Overall Length(Inches): 103.4
Overall Width(Inches): 35.5
Overall Hieght(Inches): 44
Overall Weight(Pounds): 386
TRACK AND SUSPENSION
Suspension Type: Bogie Suspension
Track Material: Polyurethane
Track Width(Inches): 15.5
POWER TRAIN
TRANSMISSION
 Type: 2 Sheave Variable
 Manufacturer: Salsbury
 Model: 850
FINAL DRIVE RATIO
 Standard: 2.19:1
 Optional: 2.44:1
Brake : External Band
DriveBelt: M63912
ELECTRICAL SYSTEM
Spark Plug Gap: 0.020 In.
Breaker Point Gap: 0.014+ .002 In.
Timing: 0.015 In. BTDC (Static)
Lighting Coil Capacity: 120 Watt
LIGHT BULBS
 Headlight: 4000 (AM52309) 4002 or 4040
 Stop-Taillight: 1157 (AM52305)
 Speedometer: 1816 (AT22970)
 Tachometer: 1816 (AT22970)
Battery(Electric Start): AM52050
BATTERY SPECIFICATIONS
Votage: 12
John Deere Part Number: AM52050
BCI Group: U1
Cold Cranking Amps (0*F- 20*F): 175, 105
Reserve Capacity (Minutes at 25 Amps): 35
SPARK PLUG SPECIFICATIONS
Brand: AC
Cold: S-S41F- AM52272
Normal: S-42F- AM52301
Hot: ..................
Brand: Champion
Cold: L-78- AM52266
Normal: L-81- AM52303
Hot: L-86- AM52646
Brand:Champion (Gold-Palladium Plugs)
Cold: L-4G- AM52613
Normal: L-6G- AM52304
Hot: L-9G- AM52647