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Cockshutt 550

The Cockshutt 550 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: 3070 to 3730 pounds.

Fuel & Capacities
13 gal 49.2 L
Transmission
6 forward and 2 reverse
Operating Weight
3070 to 3730 pounds

Overview

Cockshutt 550 tractor photo
1962 - 1975 Utility tractor

Series map: 55066046.0hp*45.6hp*550↓ 1958-1961*Estimated engine power for comparison only.

Note: the Cockshutt model 550 is the same as the Oliver 550. The following data is from the 550 listing.
Production
Manufacturer
Cockshutt
Utility tractor
Built in Charles City, Iowa, USA
Total built
20,368 (Oliver)
3,915 (Cockshutt)
Original price was $4,400 in 1975
Cockshutt 550 Transmission
6-speed gear
Transmission details ...
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
Performance test details ...
Mechanical
Two-wheel drive
Steering
power assist
Differential mechanical dry disc brakes
Open operator station.
Capacity
Fuel
13 gal 49.2 L
Hydraulic system
2.5 gal 9.5 L
Hydraulics
Type
open center
Capacity
2.5 gal 9.5 L
Pump flow
5.25 gpm 19.9 lpm
Tractor hitch
Rear Type
I
Power Take-off (PTO)
Rear PTO
independent
Rear PTO Type
540/1000
Dimensions & Tires
Wheelbase
72.9 inches 185 cm
Weight
3070 to 3730 pounds
Front tire
6.00-16
Rear tire
12-26
Full dimensions and tires ...
Electrical
Ground
positive
Batteries
2 (diesel)
1 (gas)
Battery volts
6 (diesel)
12 (gas)

Engine

Series map: 55066046.0hp*45.6hp*550↓ 1958-1961*Estimated engine power for comparison only.

Note: the Cockshutt model 550 is the same as the Oliver 550. The following data is from the 550 listing.
Engine options
Oliver 2.5L 4-cyl gasoline
Oliver 2.5L 4-cyl diesel

Engine Detail — 155 ci / 2.5 L Gasoline

Manufacturer
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
Air cleaner
oil bath
Compression
7.75:1
Rated RPM
2000
Starter volts
12
Oil capacity
4 qts 3.8 L

Engine Detail — 155 ci / 2.5 L Diesel

Manufacturer
Oliver
Fuel Type
Diesel
Configuration
4-cylinder, liquid-cooled
Displacement
155 ci 2.5 L
Bore/Stroke
3.625x3.75 inches 92 x 95 mm
Air cleaner
oil bath
Compression
16:1
Rated RPM
2000
Starter volts
12

Transmission

Series map: 55066046.0hp*45.6hp*550↓ 1958-1961*Estimated engine power for comparison only.

Note: the Cockshutt model 550 is the same as the Oliver 550. The following data is from the 550 listing.

Transmission — 6 forward and 2 reverse gear

Type
gear
Gears
6 forward and 2 reverse
Clutch
dry disc
Oil capacity
20 qts 18.9 L
550 gear speeds

Dimensions

Series map: 55066046.0hp*45.6hp*550↓ 1958-1961*Estimated engine power for comparison only.

Note: the Cockshutt model 550 is the same as the Oliver 550. The following data is from the 550 listing.
Cockshutt 550 Tires
Ag front
6.00-16
Ag rear
12-26
Dimensions
Wheelbase
72.9 inches 185 cm
Length
119.9 inches 304 cm
Height (steering wheel)
58 inches 147 cm
Height (hood)
50.1 inches 127 cm
Front tread
48 to 76 inches 121 to 193 cm
Rear tread
48 to 76 inches 121 to 193 cm
Cockshutt 550 Weight
Gas Shipping
3070 lbs 1392 kg
Diesel Shipping
3170 lbs 1437 kg
Operating
3730 lbs 1691 kg

Tests

Series map: 55066046.0hp*45.6hp*550↓ 1958-1961*Estimated engine power for comparison only.

Note: the Cockshutt model 550 is the same as the Oliver 550. The following data is from the 550 listing.
Tractor Tests
NTTL 697: gasoline 6-speed 2WD
NTTL 698: diesel 6-speed 2WD
Nebraska Tractor Test 697
Gasoline 6-speed 2WD May 11 - 26, 1959 Link: Nebraska Tractor Test 697 file
PTO performance
Max power
41.39 hp 30.9 kW
Fuel use
3.3 gal/hour 12.5 l/hour
Drawbar performance
Max power
35.36 hp 26.4 kW
Fuel use
3.3 gal/hour 12.5 l/hour
Gear 4 used for power test.
Max pull
5146 lbs 2334 kg
Gear 2 used for pull test.
Nebraska Tractor Test 698
Diesel 6-speed 2WD May 13 - 26, 1959 Link: Nebraska Tractor Test 698 file
PTO performance
Max power
39.21 hp 29.2 kW
Fuel use
2.8 gal/hour 10.6 l/hour
Drawbar performance
Max power
35.09 hp 26.2 kW
Fuel use
2.8 gal/hour 10.6 l/hour
Gear 4 used for power test.
Max pull
5110 lbs 2317 kg
Gear 2 used for pull test.

Photos

Cockshutt-Oliver 550

Cockshutt-Oliver 550

Cockshutt-Oliver 550

Cockshutt-Oliver 550

Cockshutt-Oliver 550

Cockshutt-Oliver 550

Cockshutt-Oliver 550 operator station and controls.

Cockshutt-Oliver 550 operator station and controls.

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for Cockshutt 550.

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 550 Specification Unit Converter

Convert power, fluid capacities, and operating weights between metric and imperial standards for Cockshutt 550.

Converted Equivalents:

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

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