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Cockshutt 660

The Cockshutt 660 is a tractor produced by Cockshutt. It is equipped with a 155 ci 2.5 L engine. Transmission: 6 forward and 2 reverse. Operating weight: 3128 to 3178 pounds.

Fuel & Capacities
13 gal 49.2 L
Transmission
6 forward and 2 reverse
Operating Weight
3128 to 3178 pounds

Overview

No photo available
1963 - 1964 Row-Crop tractor

Series map: 55066077046.0hp*45.6hp*52.2hp**Estimated engine power for comparison only.

Note: the Cockshutt model 660 is the same as the Oliver 660. The following data is from the 660 listing.
Production
Manufacturer
Cockshutt
Row-Crop tractor
Original price was $3,450 in 1964
Cockshutt 660 Transmission
6-speed unsynchronized gear
Transmission details ...
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
Performance test details ...
Mechanical
Two-wheel drive
Open operator station.
Capacity
Fuel
13 gal 49.2 L
Hydraulic system
9.5 gal 36.0 L
Hydraulics
Capacity
9.5 gal 36.0 L
Pump flow
8 gpm 30.3 lpm
Power Take-off (PTO)
Rear PTO
independent
Rear PTO Type
540
Engine RPM
533@1750
Dimensions & Tires
Wheelbase
92 inches 233 cm
Weight
3128 to 3178 pounds
Front tire
5.00-16
Rear tire
9-38
Full dimensions and tires ...

Engine

Series map: 55066077046.0hp*45.6hp*52.2hp**Estimated engine power for comparison only.

Note: the Cockshutt model 660 is the same as the Oliver 660. The following data is from the 660 listing.
Engine options
Waukesha-Oliver 2.5L 4-cyl gasoline
Waukesha-Oliver 2.5L 4-cyl diesel

Engine Detail — 155 ci / 2.5 L Gasoline

Manufacturer
Waukesha-Oliver
Fuel Type
Gasoline
Configuration
4-cylinder, liquid-cooled
Displacement
155 ci 2.5 L
Bore/Stroke
3.62x3.75 inches 92 x 95 mm
Compression
7.75:1
Rated RPM
2000
Starter volts
12
Oil capacity
4 qts 3.8 L
Coolant capacity
14 qts 13.2 L

Engine Detail — 155 ci / 2.5 L Diesel

Manufacturer
Waukesha-Oliver
Fuel Type
Diesel
Configuration
4-cylinder, liquid-cooled
Displacement
155 ci 2.5 L
Bore/Stroke
3.62x3.75 inches 92 x 95 mm
Compression
16:1
Starter volts
12

Transmission

Series map: 55066077046.0hp*45.6hp*52.2hp**Estimated engine power for comparison only.

Note: the Cockshutt model 660 is the same as the Oliver 660. The following data is from the 660 listing.

Transmission — 6 forward and 2 reverse unsynchronized gear

Type
unsynchronized gear
Gears
6 forward and 2 reverse
Clutch
235mm dry disc
With 9-38 rear tires.
660 unsynchronized gear speeds

Dimensions

Series map: 55066077046.0hp*45.6hp*52.2hp**Estimated engine power for comparison only.

Note: the Cockshutt model 660 is the same as the Oliver 660. The following data is from the 660 listing.
Cockshutt 660 Tires
Ag front
5.00-16
Ag rear
9-38
Ag front
6.00-16
Ag rear
10-38
12.4-38
Dimensions
Wheelbase
92 inches 233 cm
Length
134.4 inches 341 cm
Width
80.9 inches 205 cm
Height
87.4 inches 221 cm
Gas Shipping weight
3128 lbs 1418 kg
Diesel Shipping weight
3178 lbs 1441 kg
Ground clearance
24.1 inches 61 cm

Tests

Series map: 55066077046.0hp*45.6hp*52.2hp**Estimated engine power for comparison only.

Note: the Cockshutt model 660 is the same as the Oliver 660. The following data is from the 660 listing.
Tractor Tests
NTTL 541: gasoline 6-speed 2WD
NTTL 544: diesel 6-speed 2WD
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
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.

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for Cockshutt 660.

Engine Crankcase Oil

SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours

Transmission & Hydraulic System

UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours

Engine Cooling System

50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours

Cockshutt 660 Specification Unit Converter

Convert power, fluid capacities, and operating weights between metric and imperial standards for Cockshutt 660.

Converted Equivalents:

Horsepower (HP)0 hp
Kilowatts (kW)0 kW
Metric Horsepower (PS / CV)0 PS

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