Oliver 70

The Oliver 70 is a tractor produced by Oliver. It is equipped with a 201.3 ci 3.3 L engine. The rated power output is 31.52 hp 23.5 kW. Transmission: 6 forward and 1 reverse. Operating weight: 3000 to 4400 pounds.

Overview

	1935 - 1948 Row-Crop tractor
1935 - 1948
Row-Crop tractor

Production
Manufacturer	Oliver
Row-Crop tractor
Built in Charles City, Iowa, USA

Variants
70 Row-Crop	tricycle chassis
70 Standard	standard chassis
70 Orchard	low-profile

Oliver 70 Power
Drawbar (claimed)	22.7 hp 16.9 kW
PTO (claimed)	30.37 hp 22.6 kW
Drawbar (tested)	28.63 hp 21.3 kW
Belt (tested)	31.52 hp 23.5 kW
Performance test details ...

Mechanical
Two-wheel drive
Final drives	bull gear
Manual steering
Mechanical drum brakes
Open operator station.

Dimensions & Tires
Wheelbase	90.5 inches 229 cm
Weight	3000 to 4400 pounds
Front tire	5.50-16
Rear tire	11-38
Full dimensions and tires ...

Belt Pulley
Diameter	12.75 inches 32 cm
Width	6.5 inches 16 cm
RPM	774

References
Out of tomorrow: the row-crop 70 published in 1935, by Oliver
70 Row Crop published in 1937, by Oliver
The Sturdy 70 Row Crop published in 1941, by Oliver

Engine

Engine options
Oliver 3.3L 6-cyl gasoline
Oliver 3.3L 6-cyl distillate

Engine Detail — 201.3 ci / 3.3 L Gasoline

Manufacturer	Oliver
Fuel Type	Gasoline
Configuration	6-cylinder, liquid-cooled
Displacement	201.3 ci 3.3 L
Bore/Stroke	3.125x4.375 inches 79 x 111 mm
Air cleaner	oil bath
Rated RPM	1500
Firing order	1-5-3-6-2-4
Oil capacity	5 qts 4.7 L
Coolant capacity	4.5 qts 4.3 L
Intake valve clearance	0.012 inches 0.305 mm
Exhaust valve clearance	0.012 inches 0.305 mm

Engine Detail — 201.3 ci / 3.3 L

Manufacturer	Oliver
Configuration	6-cylinder, liquid-cooled
distillate
Displacement	201.3 ci 3.3 L
Bore/Stroke	3.125x4.375 inches 79 x 111 mm
Rated RPM	1500

Transmission

Transmission options
4-speed gear
6-speed gear

Transmission — 4 forward and 1 reverse gear

Type	gear
Gears	4 forward and 1 reverse
Clutch	229mm dry disc
Oil capacity	26 qts 24.6 L

Transmission — 6 forward and 1 reverse gear

Type	gear
Gears	6 forward and 1 reverse
The six-speed transmission was introduced on the "streamlined" model 70 in 1937. The top two gears were locked out if the tractor was equipped with steel wheels.

Dimensions

Oliver 70 Tires
Ag front	5.50-16
Ag rear	11-38

Dimensions
Wheelbase	90.5 inches 229 cm
Length	141.5 inches 359 cm
Width	80.5 inches 204 cm
Height (steering wheel)	70 inches 177 cm
Height (hood)	58 inches 147 cm
Shipping weight	3000 lbs 1360 kg
Operating weight	4400 lbs 1995 kg
Rear tread	60 to 72 inches 152 to 182 cm
Rear tread	60 to 80 inches 152 to 203 cm OptOptional
Rear tread	72 to 90 inches 182 to 228 cm OptOptional

Tests

Tractor Tests
NTTL 252: gasoline 4-speed 2WD
NTTL 267: distillate 4-speed 2WD
NTTL 351: gasoline 6-speed 2WD

Nebraska Tractor Test 252
Gasoline 4-speed 2WD April 13 - 24, 1936 Link: Nebraska Tractor Test 252 file
Belt power (max)	28.40 hp 21.2 kW
Belt fuel use (max)	2.7 gal/hour 10.2 l/hour
Drawbar performance
Max power	21.93 hp 16.4 kW
Gear 3 used for power test.
Max pull	3,120 lbs 1415 kg
Gear 1 used for pull test.

Nebraska Tractor Test 267
Distillate 4-speed 2WD April 20 - 31, 1936 Link: Nebraska Tractor Test 267 file
Belt power (max)	27.15 hp 20.2 kW
Belt fuel use (max)	3.3 gal/hour 12.5 l/hour
Drawbar performance
Max power	20.48 hp 15.3 kW
Gear 3 used for power test.
Max pull	2,523 lbs 1144 kg
Gear 1 used for pull test.

Nebraska Tractor Test 351
Gasoline 6-speed 2WD August 23 - 29, 1940 Link: Nebraska Tractor Test 351 file
Belt power (max)	31.52 hp 23.5 kW
Belt fuel use (max)	3.0 gal/hour 11.4 l/hour
Drawbar performance
Max power	28.63 hp 21.3 kW
Gear 3 used for power test.
Max pull	4170 lbs 1891 kg
Gear 1 used for pull test.

Photos

Oliver 70 on steel wheels.

Oliver 70 on tires.

Oliver 70 on tires.

Oliver 70 operator station and controls.