John Deere 70

The John Deere 70 is a tractor produced by John Deere. It is equipped with a 375.6 ci 6.2 L engine. The rated power output is 50.40 hp 37.6 kW. Transmission: 6 forward and 1 reverse. Operating weight: 6538 to 7079 pounds.

Overview

	1953 - 1956 Row-Crop tractor
1953 - 1956
Row-Crop tractor

Production
Manufacturer	John Deere
Row-Crop tractor
Built in Waterloo, Iowa, USA
Total built	35,868 (row-crop)
	6,254 (LP-gas)
	2,509 (all-fuel)
	11,105 (diesel)
Original price was $2800 in 1955
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.

Variants
70	row-crop
70S	standard tread
70HC	high-crop

John Deere 70 Transmission
6-speed unsynchronized gear
Transmission details ...

John Deere 70 Power
Belt (claimed)	50.35 hp 37.5 kW
Drawbar (tested)	45.60 hp 34.0 kW
Belt (tested)	50.86 hp 37.9 kW
Performance test details ...

Mechanical
Two-wheel drive
Steering	manual
	power OptOptional
Differential mechanical expanding shoe brakes
Open operator station

Power Take-off (PTO)
Rear PTO	transmission
	independent OptOptional
Rear PTO Type	540

Dimensions & Tires
Wheelbase	91 inches 231 cm
Weight	6538 to 7079 pounds
Front tire	6.00-16
Rear tire	12-38
Full dimensions and tires ...

Belt Pulley
Diameter	12.875 inches 32 cm
Width	7.375 inches 18 cm
RPM	1125
Speed	3790 ft/min 1155.19 meters/min

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

References
The First Numbered Series of John Deere Tractors published in 2004, by Hain Publishing
Operator's Manual 70 Diesel Tractors (OM-R2032) published in 1953
Operator's Manual 70 Series Tractors (OM-R2035) published in 1953
Tractors 1918-1976 published by John Deere*
General-Purpose Tractors published in 1953, by John Deere
*Publication contains known errors.

Engine

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

Engine Detail — 379.5 ci / 6.2 L Gasoline

Manufacturer	John Deere
Fuel Type	Gasoline
Configuration	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

Engine Detail — 412.5 ci / 6.8 L

Manufacturer	John Deere
Configuration	2-cylinder, liquid-cooled
all-fuel
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

Engine Detail — 379.5 ci / 6.2 L LP Gas

Manufacturer	John Deere
Fuel Type	LP gas
Configuration	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 Detail — 375.6 ci / 6.2 L Diesel

Manufacturer	John Deere
Fuel Type	Diesel
Configuration	2-cylinder, liquid-cooled, The diesel engine on the model 70 used a 18.85 cubic inch 4-cylinder starting engine.
Displacement	375.6 ci 6.2 L
Bore/Stroke	6.125x6.375 inches 156 x 162 mm
Compression	16:1
Rated RPM	1125
Firing order	1-2
Starter	Gasoline pony engine
Starter volts	-unknown-
Oil capacity	12 qts 11.4 L
Coolant capacity	28 qts 26.5 L

Transmission

Transmission — 6 forward and 1 reverse unsynchronized gear

Manufacturer	John Deere
Type	unsynchronized gear
Gears	6 forward and 1 reverse
Clutch	dry disc
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.
With 12-38 rear tires.

Dimensions

John Deere 70 Tires
Ag front	6.00-16
Ag rear	12-38
Ag rear	13-38

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

John Deere 70 Weight
Gas Operating	6538 lbs 2965 kg
Diesel Operating	7079 lbs 3211 kg
Ballasted	9000 lbs 4082 kg

Tests

Tractor Tests
NTTL 493: gasoline 6-speed 2WD
NTTL 506: tractor fuel 6-speed 2WD
NTTL 514: LP gas 6-speed 2WD
NTTL 528: diesel 6-speed 2WD

Nebraska Tractor Test 493
Gasoline 6-speed 2WD May 15 - 20, 1953 Link: Nebraska Tractor Test 493 file
Belt power (max)	48.29 hp 36.0 kW
Belt fuel use (max)	4.5 gal/hour 17.0 l/hour
Drawbar performance
Max power	42.24 hp 31.5 kW
Gear 3 used for power test.
Max pull	5,453 lbs 2473 kg
Gear 1 used for pull test.

Nebraska Tractor Test 506
Tractor fuel 6-speed 2WD September 251953, - October 1, 1953 Link: Nebraska Tractor Test 506 file
Belt power (max)	43.15 hp 32.2 kW
Belt fuel use (max)	4.2 gal/hour 15.9 l/hour
Drawbar performance
Max power	39.58 hp 29.5 kW
Gear 3 used for power test.
Max pull	5,102 lbs 2314 kg
Gear 1 used for pull test.

Nebraska Tractor Test 514
LP gas 6-speed 2WD November 6 - 12, 1953 Link: Nebraska Tractor Test 514 file
Belt power (max)	50.86 hp 37.9 kW
Belt fuel use (max)	5.8 gal/hour 22.0 l/hour
Drawbar performance
Max power	45.60 hp 34.0 kW
Gear 3 used for power test.
Max pull	6,127 lbs 2779 kg
Gear 1 used for pull test.

Nebraska Tractor Test 528
Diesel 6-speed 2WD October 19 - 22, 1954 Link: Nebraska Tractor Test 528 file
Belt power (max)	50.40 hp 37.6 kW
Belt fuel use (max)	2.8 gal/hour 10.6 l/hour
Drawbar performance
Max power	45.09 hp 33.6 kW
Gear 4 used for power test.
Max pull	6,189 lbs 2807 kg
Gear 1 used for pull test.