1974 John Deere JDX8
ENGINE:
Manufacturer: Canadian Curtiss-Wright (CCW)
Model: Kec-440/22
No. of Cylinders: 2
Bore: 66MM
Stroke: 64MM
Displacement: 438cc's
FUEL SYSTEM
Carburetor Manufactuer: Walbro
Carburetor Number: AM52875
Fuel Tank Capacity (Gals.): 5.50(U.S.)
Fuel Mixing Ration: 50:1
CHASSIS AND BODY
MATERIAL
 Tunnel: Aluminum
 Hood and Console: Polyester
 Windshield: Polycarbonate
Overall Length(Inches): 103.4
Overall Width(Inches): 34.7
Overall Height(Inches): 40.5
Overall Weight(Pounds): 400
TRACK AND SUSPENSION
Suspension Type: Slide Suspension
Track Material: Rubber
Track Width(Inches): 15.5
POWER TRAIN
TRANSMISSION
 Type: 2 Sheave Variable
 Manufacturer: John Deere (Comet)
 Model: 100
FINAL DRIVE RATIO
 Standard: 2.05:1
 Optional: 2.44:1
Brake: External Band
Drive Belt: M64550
ELECTRICAL SYSTEM
Spark Plug Gap: 0.020 Inches
Braker Point Gap: 0.014+ .002 Inches
Timing: 0.009 Inches. BTDC (Static)
Lighting Coil Capacity: 120 Watt
LIGHT BULBS
 Headlight: AM52959
 Stop-taillight: AM52619
 Speedometer AM52847
 Tachometer AM52847
Battery (Electric Start): AM52050
BATTERY SPECIFICATIONS
Voltage: 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: S41XLR-AM53008
Normal: S42XLR- AM53007
Hot: S43XLR- AM53018
Brand: Champion
Cold: N57- AM53014
Normal: RN2- AM53001
Hot: RN3- AM53006
Brand: Champion (Gold-Palladium Plugs)
Cold: N57G-AM53015
Normal: N59G-AM52641
Hot: RN3G-AM53016