McCormick Intl C70

The McCormick Intl C70 is a tractor produced by Mccormick Intl. It is equipped with a 256.3 ci 4.2 L engine. The listed engine power is Diesel (listed): 73 hp / 54.4 kW. Transmission: 16 forward and 8 reverse. Operating weight: 5941 to 8265 pounds.

Engine Power

Diesel (listed): 73 hp / 54.4 kW

Fuel & Capacities

31.7 gal 120.0 L

Transmission

16 forward and 8 reverse

Operating Weight

5941 to 8265 pounds

Overview

	2001 - 2003 C SeriesUtility tractor C Series Utility tractor

Production
Manufacturer	McCormick Intl (a part of Argo)
Utility tractor
Built in Doncaster, England

McCormick Intl C70 Engine
Perkins 4.2L 4-cyl diesel
Fuel tank	31.7 gal 120.0 L
Engine details ...

McCormick Intl C70 Power
Engine	73 hp 54.4 kW
PTO (claimed)	58 hp 43.3 kW
Drawbar (tested)	50.2 hp 37.4 kW
PTO (tested)	59.7 hp 44.5 kW
Performance test details ...

Mechanical
Two- or four-wheel drive
Power steering
Hydraulic wet disc brakes
Two-post fixed ROPS.

Hydraulics
Type	open center
Pressure	2500 psi 172.4 bar
Pump flow	15.5 gpm 58.7 lpm

Tractor hitch
Rear Type	II
Rear lift	3664 lbs 1661 kg
	5097 lbsOptOptional 2311 kg

Power Take-off (PTO)
Rear PTO	independent
Rear PTO Type	540/1000 (1.375)
Engine RPM	540@1994
	1000@2000

Dimensions & Tires
2WD Wheelbase	84.3 inches 214 cm
4WD Wheelbase	88 inches 223 cm
Weight	5941 to 8265 pounds
Front tire	10.00-16
2WD Rear tire	16.9-30
Full dimensions and tires ...

Electrical
Ground	negative
Battery volts	12

References

C Series published in 2001, by McCormick
C Series published in 2002, by McCormick

Engine

Engine Detail — 256.3 ci / 4.2 L Diesel

Manufacturer	Perkins 1004.4
Fuel Type	Diesel
Configuration	4-cylinder, liquid-cooled
Displacement	256.3 ci 4.2 L
Bore/Stroke	4.05x5.00 inches 103 x 127 mm
Power	73 hp 54.4 kW
Air cleaner	dual paper elements
Compression	18.5:1
Rated RPM	2200
Torque	209.5 lb-ft 284.1 Nm
Torque RPM	1400
Starter volts	12

Transmission

Transmission options
8-speed synchromesh
8-speed shuttle
16-speed two-speed power shift

Transmission — 8 forward and 4 reverse synchromesh

Type	synchromesh
Gears	8 forward and 4 reverse
Clutch	dry disc
With 16.9-30 rear tires.

Transmission — 8 forward and reverse shuttle

Type	shuttle
Gears	8 forward and reverse
With 16.9-30 rear tires.

Transmission — 16 forward and 8 reverse two-speed power shift

Type	two-speed power shift
Gears	16 forward and 8 reverse
Clutch	dry disc

Dimensions

McCormick Intl C70 Tires
2WD Standard tires (ag)	Front: 10.00-16. Rear: 16.9-30
4WD Standard tires (ag)	Front: 11.2-24. Rear: 16.9-30

Dimensions
2WD Wheelbase	84.3 inches 214 cm
4WD Wheelbase	88 inches 223 cm

McCormick Intl C70 Weight
2WD Shipping	5941 lbs 2694 kg
4WD Shipping	6658 lbs 3020 kg
Operating	8265 lbs 3749 kg

Tests

OCED Tractor Test 1895
Diesel 16-speed 4WD October 1998 - November 1998, Link: OCED Tractor Test 1895 file
PTO performance
Power at rated engine speed	59.7 hp 44.5 kW
Fuel use	3.9 gal/hour 14.8 l/hour
Power at rated PTO speed	62.1 hp 46.3 kW
Fuel use	3.9 gal/hour 14.8 l/hour
Drawbar performance
Max power	50.2 hp 37.4 kW
Fuel use	4.0 gal/hour 15.1 l/hour
Gear 3L-DD used for power test.
Max pull	9,485 lbs 4302 kg
Gear 1L-TA used for pull test.

Photos

McCormick Intl C70 tractor photo

Recommended Implements & Sizing Guide

Engineering recommendations for Mccormick Intl C70 based on its 73 HP power envelope and ASAE agricultural standards.

Implement & Operation	Recommended Size	Workload Rating	Engineering Notes
Moldboard PlowPrimary Tillage	3 to 4 Bottom (16")3 - 4 铧 (40 cm)	Heavy Duty	Suitable for medium loam and stubble turnover.
Rotary Cutter / MowerMowing & Clearing	7 to 8 ft (84-96 in)2.1 - 2.4 m	Heavy Duty	Heavy-duty twin spindle cutter for overgrown acreage.
Rotary TillerSeedbed Prep	78 to 84 in200 - 215 cm	Heavy Duty	Heavy commercial tiller with multi-speed gearbox.
Disc HarrowSecondary Tillage	7 to 8 ft Tandem Disc2.1 - 2.4 m 对开双排耙	Medium Duty	Field leveling and clod breaking behind plows.
Hay BalerHay & Forage	4x4 to 4x5 Round Baler1.2x1.5 m 紧凑圆捆机	Heavy Duty	Silage and dry hay; 540 RPM PTO with slip-clutch.

Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for Mccormick Intl C70.

Estimated Continuous Field Runtime: 8.4 hrs

Approximately 8.4 hours of continuous field operation at ~75% rated power on a full tank (31.7 gal / 120 L).

Estimated 75% Load Fuel Burn~3.8 gal/hr (14.4 L/hr)

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