Wikitractor

Oliver 66

Production ended · 2WD

Belt power · tested

25 hp

Weight
3,193 lb
Engines
2 Gasoline · Diesel
Built
no record
Price new
no record

Power

Engineno record
PTOno record
Drawbar22.5 hp tested
Belt pulley25 hp tested
Listed power27 hp belt basis
Plows rated2

Engines

Oliver-Waukesha 2.1L 4-cyl gasolineGasoline · 4 cyl129 ci
Oliver-Waukesha 2.1L 4-cyl dieselDiesel · 4 cyl129 ci
Engine details
Oliver-Waukesha 2.1L 4-cyl gasoline
Bore × stroke
3.31 in × 3.75 in
Rated speed
1,600 rpm
Compression
6.75:1
Cooling
liquid-cooled vertical I-head
Oliver-Waukesha 2.1L 4-cyl diesel
Bore × stroke
3.31 in × 3.75 in
Rated speed
1,600 rpm
Compression
15.5:1
Cooling
liquid-cooled vertical I-head

Transmissions

6-speed unsynchronized gearunsynchronized gear6F / 2R

Weight

Weight3,193 lb operating
Ballasted5,563 lb

Dimensions

Wheelbase86.8 in
Length134.8 in
Height85.2 in
Ground clearance24.4 in
Front tread, narrowest50.8 in
Front tread, widest87.8 in
Rear tread, narrowest60 in
Rear tread, widest88 in

Capacities

Fuel tank10 gal

Hydraulics

Pump flowno record

Hitch

Hitch typeOliver Hydra-Lift
Rear lift capacityno record

PTO

Rear PTOindependent
Rear PTO speeds540

Chassis

Drive2WD
Steeringmanual
BrakesContracting band brakes
CabOpen operator station

Tires

Front5.00-15
Rear8-38

Production

FactoriesCharles City, Iowa, USA
Built byOliver

Variants

  • 66R row-crop
  • 66S standard

Serial numbers

YearFirst serial
1949420001
1950423101
1951426011
1952429771
19533503990
19544500309
Final4503563

Literature

  • Diesel Tractors - 66, 77, 88 Oliver, 1952