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John Deere 70

John Deere 70 tractor
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The John Deere 70 is a row-crop tractor produced from 1953 to 1956 by John Deere in Waterloo, Iowa, USA. It was available in four variants: the 70, the diesel 70D (1954-1956 only), the high-crop 70, and the standard (wheatland) 70S. The tractor featured multiple engine options including gasoline, all-fuel, LP gas, and diesel 2-cylinder liquid-cooled engines. It had a 6-speed unsynchronized transmission with 1 reverse gear, manual or optional power steering, and differential mechanical expanding shoe brakes. The tractor's power take-off was transmission-driven with an optional independent PTO. The 70 had a wheelbase of 91 inches, length around 136-137 inches, width of 86.625 inches, and height ranging from 65.56 to 88 inches depending on the model. Operating weight ranged from 6538 lbs for gas models to 7079 lbs for diesel, with ballasted weight up to 9000 lbs. The tractor used 6.00-16 front tires and 12-38 or 13-38 rear tires. It featured a belt pulley with 12.875 inch diameter and 7.375 inch width running at 1125 RPM. Electrical system had positive ground with 6-volt batteries. Attachments included a front-end loader (50 Loader).
John Deere 70tractorspecificationsenginetransmissiondimensionspowerattachmentsrow-crop tractor
Power50 hp[B]
Founded1953 - 1956
Model70

Technical Specifications

Detailed specifications and technical data for John Deere 70

Power

Belt (tested):50.86 hp (37.9 kW)
Belt (claimed):50.35 hp (37.5 kW)
Drawbar (tested):45.60 hp (34.0 kW)

Engine

Diesel engine:2-cylinder, liquid-cooled, displacement 375.6 ci (6.2 L), bore/stroke 6.125x6.375 inches (156 x 162 mm), used a 18.85 cubic inch 4-cylinder starting engine
LP gas engine:2-cylinder, liquid-cooled, displacement 379.5 ci (6.2 L), bore/stroke 5.875x7.00 inches (149 x 178 mm), compression 7.3:1, rated RPM 975, firing order 1-2, starter volts 12
Engine options:John Deere 6.2L 2-cyl gasoline, John Deere 6.8L 2-cyl all-fuel, John Deere 6.2L 2-cyl LP gas, John Deere 6.2L 2-cyl diesel
All-fuel engine:2-cylinder, liquid-cooled, displacement 412.5 ci (6.8 L), bore/stroke 6.125x7.00 inches (156 x 178 mm), compression 4.6:1, rated RPM 975, firing order 1-2, starter volts 12
Gasoline engine:2-cylinder 4-valve, liquid-cooled, displacement 379.5 ci (6.2 L), bore/stroke 5.875x7.00 inches (149 x 178 mm), air cleaner oil bath, compression 6.15:1, rated RPM 975, firing order 1-2, starter volts 12, coolant capacity 34 qts (32.2 L)
Fuel tank capacity:Gas 24.5 gal (92.7 L), Diesel 20 gal (75.7 L), LP gas 33 gal (124.9 L), Aux. fuel 1.75 gal (6.6 L), 0.25 gal (0.9 L diesel)

Weight

Ballasted:9000 lbs (4082 kg)
Gas Operating:6538 lbs (2965 kg)
Diesel Operating:7079 lbs (3211 kg)

Dimensions

Width:86.625 inches (220 cm)
Height:65.5625 inches (166 cm), 88 inches (223 cm) diesel
Length:136.25 inches (346 cm), 137 inches (347 cm) diesel
Rear axle:3.125 by 86.625 inches (79 by 2200 mm)
Wheelbase:91 inches (231 cm)
Rear tread:60 to 88 inches (152 to 223 cm), 66.5 to 97.5 inches (168 to 247 cm) long axle, 66.5 to 105.25 inches (168 to 267 cm) extra-long axle
Front tread:56 to 80 inches (142 to 203 cm) Round tube, 48 to 80 inches (121 to 203 cm) Square tube

Electrical

Ground:positive
Batteries:2 (gas), 1 (diesel)
Battery volts:6

Mechanical

Drive:Two-wheel drive
Brakes:Differential mechanical expanding shoe brakes
Steering:manual, power optional
Operator station:Open operator station

Production

Type:Row-Crop tractor
Notes:Four variants of the John Deere model 70 were built; the 70, the diesel 70D (1954-1956 only), the high-crop 70, and the standard (wheatland) 70S.
Built in:Waterloo, Iowa, USA
Variants:70 (row-crop), 70S (standard tread), 70HC (high-crop)
Total built:35,868 (row-crop), 6,254 (LP-gas), 2,509 (all-fuel), 11,105 (diesel)
Original price:$2800 in 1955
Years produced:1953 - 1956

Attachments

Front-end loader:50 Loader

Belt Pulley

RPM:1125
Speed:3790 ft/min (1155.19 meters/min)
Width:7.375 inches (18 cm)
Diameter:12.875 inches (32 cm)

Transmission

Type:unsynchronized gear
Gears:6 forward and 1 reverse
Notes:Three gears, plus reverse, in two ranges. Reverse is available in both direct (high) and underdrive (low) although Deere only advertised the use of reverse in low range. Use of reverse in high range may be dangerously fast.
Clutch:dry disc
Manufacturer:John Deere

Serial Numbers

1953:7000001
1954:7002283
1955:7014803
1956:7031300
Final:7043757
Location:Right side of tractor frame, forward of and below the belt pully.

Power Take-off (PTO)

Rear PTO:transmission
Rear PTO Type:540
Independent PTO:optional

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