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Years in Production / 1949–1954

Oliver

66

Explore the specifications, hardware, and original references for the Oliver 66.

Oliver 66 tractor MD1 — Acroterion, CC BY-SA 4.0. Resized; converted to WebP. · Acroterion · CC BY-SA 4.0 commons.wikimedia.org source ↗

27hp

Engine estimate · from belt

2WD Only

Drive

1949–1954

Production years

Oliver

Manufacturer

66 / 01

At a glance

Production

Row-Crop tractor

Built in Charles City, Iowa, USA

Manufacturer
Oliver
Original Price
$2,000 (1954)

Mechanical

Two-wheel drive

Contracting band brakes

Open operator station.

Steering
manual

Hitch

Type
Oliver Hydra-Lift

Pto

Rear Pto
independent
Rear Type
540

Belt Pulley

Diameter
11.875 inches30 cm
Width
7.25 inches18 cm
Rpm
987
Speed
3,065 ft/min934.21 meters/min

66 / 02

Under the hood

Engine Detail (Option 1)

Oliver-Waukesha

gasoline

4-cylinder

liquid-cooled vertical I-head

Displacement
129 ci2.1 L
Bore Stroke
3.3125x3.75 inches84 x 95 mm
Fuel System
Marvel-Schebler carburetor
Air Cleaner
oil bath
Compression Ratio
6.75:1
Rated Rpm
1600
Coolant Capacity
14 qts13.2 L
Fuel Type
gasoline
Cylinders
4
Cooling
liquid-cooled vertical I-head

Engine Detail (Option 2)

Oliver-Waukesha

diesel

4-cylinder

liquid-cooled vertical I-head

Displacement
129.3 ci2.1 L
Bore Stroke
3.3125x3.75 inches84 x 95 mm
Air Cleaner
oil bath
Compression Ratio
15.5:1
Rated Rpm
1600
Fuel Type
diesel
Cylinders
4
Cooling
liquid-cooled vertical I-head

Engine Options

Oliver-Waukesha 2.1L 4-cyl gasoline

Oliver-Waukesha 2.1L 4-cyl diesel

Fuel Tank
10 gal37.9 L

66 / 03

Gears & controls

Transmission

Transmission Type
unsynchronized gear
Gears
6 forward and 2 reverse
Clutch
dry disc

66 / 04

Size. Stance. Footprint.

Dimensions

Length
134.8 in342 cm
Height
85.25 in216 cm
Wheelbase
86.75 in220 cm
Ground clearance
24.4 in61 cm
Front tread
50.75 in128 cm
Rear tread
60 in152 cm

Dimensions And Tires

Wheelbase
86.75 inches220 cm
Weight
3193 to 3795 pounds
Front Tire
5.00-15
Rear Tire
8-38

Tires And Tracks

Front Ag
5.00-15
Rear Ag
8-38
Rear Ag
9-38
Rear Ag
10-38

66 / 05

Tractor Photos

Oliver 66 tractor MD1 — Acroterion, CC BY-SA 4.0. Resized; converted to WebP. · Acroterion · CC BY-SA 4.0 commons.wikimedia.org source ↗

See it in action

Videos

Watch Oliver 66 videos from their original YouTube creators.

This Family Used Oliver Tractors Since 1936! Fathers And Son Owned Oliver 66 Diesel Tractor

Video by Classic Tractor Fever

Watch on YouTube ↗

66 / 07

Tests (NTTL)

Nebraska Tractor Test 412

Gasoline 6-speed 2WDJune 6 - 24, 1949

Drawbar performance

Gear 3 used for power test.

Gear 1 used for pull test.

Id
412
Belt Power Max
24.91 hp18.6 kW
Belt Fuel Use Max
2.1 gal/hour7.9 l/hour
Max Power
21.03 hp15.7 kW
Max Pull
3,207 lbs1454 kg

Nebraska Tractor Test 467

Diesel 6-speed 2WDOctober 12 - 18, 1951

Drawbar performance

Gear 3 used for power test.

Gear 1 used for pull test.

Id
467
Belt Power Max
25.03 hp18.7 kW
Belt Fuel Use Max
1.8 gal/hour6.8 l/hour
Max Power
22.50 hp16.8 kW
Max Pull
3,571 lbs1619 kg

Oliver 66 · photo 1 / 1

Oliver 66 tractor MD1

Oliver 66 tractor MD1 — Acroterion, CC BY-SA 4.0. Resized; converted to WebP. · Acroterion · CC BY-SA 4.0 commons.wikimedia.org source ↗