Cockshutt 660 tractor specifications

1963 - 1964

1963 - 1964 Row-Crop tractor

Series:

Series:550 ← 660 → 770

1962 - 1975

Utility tractor

Production

Production
Manufacturer:	Cockshutt
Type:	Utility tractor
Factory:	Charles City, Iowa, USA
Total built:	20,368 (Oliver)
	3,915 (Cockshutt)
Original price:	$4,400 (1975 )

Cockshutt 550 Power

Cockshutt 550 Power
Drawbar (claimed):	35.3 hp 26.3 kW
PTO (claimed):	41.39 hp 30.9 kW
Drawbar (tested):	35.36 hp 26.4 kW
PTO (tested):	41.39 hp 30.9 kW
power test details ...

Cockshutt 550 Engines

Cockshutt 550 Engines
Oliver 2.5L 4-cyl gasoline
Oliver 2.5L 4-cyl diesel
Engine details ...

Mechanical

Mechanical
Chassis:	4x2 2WD
Steering:	power assist
Brakes:	differential mechanical dry disc
Cab:	Open operator station.
Transmission:	6-speed gear
Transmission details ...

Capacity

Capacity
Fuel:	13 gal 49.2 L
Hydraulic system:	2.5 gal 9.5 L

Hydraulics

Hydraulics
Type:	open center
Capacity:	2.5 gal 9.5 L
Pump flow:	5.25 gpm 19.9 lpm

Tractor hitch

Tractor hitch
Rear Type:	I

Power Take-off (PTO)

Power Take-off (PTO)
Rear PTO:	independent
Rear RPM:	540/1000

Dimensions & Tires

Dimensions & Tires
Wheelbase:	73.5 inches 186 cm
Weight:	3,730 lbs 1691 kg
Front tire:	6.00-16
Rear tire:	12-26
Full dimensions and tires ...

550 Serial Numbers

550 Serial Numbers
Location:	Serial number plate located on the left side of the Oliver 550, above the foot rest.
1958:	60501
1959:	72632
1960:	84416
1961:	111868
1962:	117541
1963:	127365
1964:	140620
1965:	162265
1966:	171923
1967:	186165
1968:	206095
1969:	213340
1970:	222833
1971:	226965
1972:	232918
1973:	238237
1974:	248375
1975:	259255
Final:	259491
how to read serial numbers...

Electrical

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

Production

Production Manufacturer:Cockshutt
Type:Row-Crop tractor
Original price:$3,450 (1964)

Cockshutt 660 Power

Cockshutt 660 Power PTO (claimed):41 hp
30.6 kW
Plows:3
Drawbar (tested):27.99 hp
20.9 kW
Belt (tested):33.69 hp
25.1 kW
power test details ...

1963 - 1964

Row-Crop tractor

Series:

550 ←

660

→ 770

Nebraska Tractor Test 541

Nebraska Tractor Test 541
Gasoline 6-speed 2WD May 16 - 19, 1955 Link: Nebraska Tractor Test 541 file
Belt power (max):	33.62 hp 25.1 kW
Belt fuel use (max):	3.1 gal/hour 11.7 l/hour
Drawbar performance
Max power:	27.99 hp 20.9 kW
Gear 4 used for power test.
Max pull:	4,309 lbs 1954 kg
Gear 1 used for pull test.

Nebraska Tractor Test 544

Nebraska Tractor Test 544
Diesel 6-speed 2WD May 19 - 26, 1955 Link: Nebraska Tractor Test 544 file
Belt power (max):	33.69 hp 25.1 kW
Belt fuel use (max):	2.4 gal/hour 9.1 l/hour
Drawbar performance
Max power:	27.48 hp 20.5 kW
Gear 4 used for power test.
Max pull:	4,393 lbs 1992 kg
Gear 1 used for pull test.

Cockshutt 660 Engines

Cockshutt 660 Engines Waukesha-Oliver 2.5L 4-cyl gasoline Waukesha-Oliver 2.5L 4-cyl diesel Engine details ...

1963 - 1964

Row-Crop tractor

Series:

550 ←

660

→ 770

Engines overview

Engines overview
Waukesha-Oliver 2.5L 4-cyl gasoline
Waukesha-Oliver 2.5L 4-cyl diesel

Engine Detail

Engine Detail
Waukesha-Oliver
gasoline
4-cylinder
liquid-cooled
Displacement:	155 ci 2.5 L
Bore/Stroke:	3.62x3.75 inches 92 x 95 mm
Compression:	7.75:1

Engine Detail

Engine Detail
Waukesha-Oliver
diesel
4-cylinder
liquid-cooled
Displacement:	155 ci 2.5 L
Bore/Stroke:	3.62x3.75 inches 92 x 95 mm
Compression:	16:1

Mechanical

Mechanical Chassis:4x2 2WD
Cab:Open operator station.
Transmission:6-speed unsynchronized gear
Transmission details ...

1963 - 1964

Row-Crop tractor

Series:

550 ←

660

→ 770

Transmission

Transmission
Type:	unsynchronized gear
Gears:	6 forward and 2 reverse

Capacity

Capacity Fuel:13 gal
49.2 L
Hydraulic system:9.5 gal
36.0 L

Hydraulics

Hydraulics Capacity:9.5 gal
36.0 L
Pump flow:8 gpm
30.3 lpm

Power Take-off (PTO)

Power Take-off (PTO) Rear PTO:independent
Rear RPM:540

Dimensions & Tires

Dimensions & Tires Wheelbase:92 inches
233 cm
Weight:4,050 lbs
1837 kg
Front tire:6.00-16
Rear tire:12.4-38
Full dimensions and tires ...

1963 - 1964

Row-Crop tractor

Series:

550 ←

660

→ 770

Cockshutt 660 Tires

Cockshutt 660 Tires
Ag front:	6.00-16
Ag rear:	12.4-38

Dimensions

Dimensions
Wheelbase:	92 inches 233 cm
Weight:	4,050 lbs 1837 kg

660 Serial Numbers

660 Serial Numbers Location:Bottom of dashboard below steering wheel.
1959:73132
1960:86166
1961:111213
1962:117873
1963:127356
1964:141160

how to read serial numbers...