Case 870 tractor specifications

1970 - 1975

1970 - 1975 70 Series

Series:

Series:770 ← 870 → 970

1969 - 1972

Series:

770

→ 870

Production

Production
Manufacturer:	J.I. Case
Factory:	Racine, Wisconsin, USA
Total built:	1,690
Original price:	$7,600 (1973 )

J.I. Case 770 Power

J.I. Case 770 Power
Drawbar (claimed):	49 hp 36.5 kW
PTO (claimed):	56 hp 41.8 kW
Drawbar (tested):	56.85 hp 42.4 kW
PTO (tested):	64.56 hp 48.1 kW
power test details ...

J.I. Case 770 Engines

J.I. Case 770 Engines
J.I. Case 4.4L 4-cyl diesel
J.I. Case 4.1L 4-cyl gasoline
Fuel tank:	50 gal 189.3 L
Engine details ...

Mechanical

Mechanical
Chassis:	4x2 2WD
Steering:	power
Brakes:	differential hydraulic dry disc
Cab:	Open operator station. Cab optional.
Transmissions:	8-speed unsynchronized gear
	12-speed partial power shift
Transmission details ...

Hydraulics

Hydraulics
Pump flow:	16 gpm 60.6 lpm
Total flow:	24 gpm 90.8 lpm
Steering flow:	8 gpm 30.3 lpm

Tractor hitch

Tractor hitch
Rear Type:	II

Power Take-off (PTO)

Power Take-off (PTO)
Rear PTO:	independent
Rear RPM:	540 (1.375)
	540/1000 (1.375)
Engine RPM:	540@1900 1000@1900

Dimensions & Tires

Dimensions & Tires
Wide-front Wheelbase:	101 inches 256 cm
Tricycle Wheelbase:	94 inches 238 cm
Weight:	9,220 lbs 4182 kg
Front tire:	7.5L-15
Rear tire:	16.9-34
Full dimensions and tires ...

770 Serial Numbers

770 Serial Numbers
1969:	8356251
1970:	8650001
1971:	8674001
1972:	8691801
how to read serial numbers...

Production

Production Manufacturer:J.I. Case
Factory:Racine, Wisconsin, USA
Total built:3,238
Original price:$8,400 (1975 )

J.I. Case 870 Power

J.I. Case 870 Power Drawbar (claimed):62 hp
46.2 kW
PTO (claimed):71 hp
52.9 kW
Drawbar (tested):69.53 hp
51.8 kW
PTO (tested):80.49 hp
60.0 kW
power test details ...

1970 - 1975

70 Series

Series:

770 ←

870

→ 970

Nebraska Tractor Test 1030

Nebraska Tractor Test 1030
Diesel 12-speed 2WD November 10 - 19, 1969 Link: Nebraska Tractor Test 1030 file
PTO performance
Power at rated engine speed:	70.53 hp 52.6 kW
Fuel use:	4.7 gal/hour 17.8 l/hour
Drawbar performance
Max power:	61.38 hp 45.8 kW
Fuel use:	4.7 gal/hour 17.8 l/hour
Gear 2-High used for power test.

Nebraska Tractor Test 1031

Nebraska Tractor Test 1031
Diesel 8-speed 2WD November 10 - 20, 1969 Link: Nebraska Tractor Test 1031 file
PTO performance
Power at rated engine speed:	70.67 hp 52.7 kW
Fuel use:	4.5 gal/hour 17.0 l/hour
Drawbar performance
Max power:	61.77 hp 46.1 kW
Fuel use:	4.3 gal/hour 16.3 l/hour
Gear 4-Low used for power test.

Nebraska Tractor Test 1059

Nebraska Tractor Test 1059
Gasoline 12-speed 2WD October 28 - November 17, 1970 Link: Nebraska Tractor Test 1059 file
PTO performance
Power at rated engine speed:	70.67 hp 52.7 kW
Fuel use:	6.3 gal/hour 23.8 l/hour
Drawbar performance
Max power:	58.03 hp 43.3 kW
Fuel use:	6.1 gal/hour 23.1 l/hour
Gear 2-High used for power test.

Nebraska Tractor Test 1060

Nebraska Tractor Test 1060
Gasoline 8-speed 2WD October 28 - November 7, 1970 Link: Nebraska Tractor Test 1060 file
PTO performance
Power at rated engine speed:	71.06 hp 53.0 kW
Fuel use:	6.0 gal/hour 22.7 l/hour
Drawbar performance
Max power:	62.52 hp 46.6 kW
Fuel use:	6.2 gal/hour 23.5 l/hour
Gear 4-Low used for power test.

Nebraska Tractor Test 1076

Nebraska Tractor Test 1076
Diesel (2000 rpm) 12-speed 2WD Link: Nebraska Tractor Test 1076 file
PTO performance
Power at rated engine speed:	77.92 hp 58.1 kW
Fuel use:	5.5 gal/hour 20.8 l/hour
Power at rated PTO speed:	77.11 hp 57.5 kW
Fuel use:	5.5 gal/hour 20.8 l/hour
Drawbar performance
Max power:	66.89 hp 49.9 kW
Fuel use:	5.5 gal/hour 20.8 l/hour
Gear 3-Low used for power test.

Nebraska Tractor Test 1077

Nebraska Tractor Test 1077
Diesel (2000 rpm) 8-speed 2WD September 12 - 24, 1971 Link: Nebraska Tractor Test 1077 file
PTO performance
Power at rated engine speed:	77.45 hp 57.8 kW
Fuel use:	5.0 gal/hour 18.9 l/hour
Power at rated PTO speed:	76.63 hp 57.1 kW
Fuel use:	5.0 gal/hour 18.9 l/hour
Drawbar performance
Max power:	69.04 hp 51.5 kW
Fuel use:	5.2 gal/hour 19.7 l/hour
Gear 4-Low used for power test.

Nebraska Tractor Test 1149

Nebraska Tractor Test 1149
Diesel (2100 rpm) 8-speed 2WD October 22 - 31, 1973 Link: Nebraska Tractor Test 1149 file
PTO performance
Power at rated engine speed:	80.20 hp 59.8 kW
Fuel use:	5.7 gal/hour 21.6 l/hour
Power at rated PTO speed:	77.93 hp 58.1 kW
Fuel use:	5.4 gal/hour 20.4 l/hour
Drawbar performance
Max power:	69.53 hp 51.8 kW
Fuel use:	5.6 gal/hour 21.2 l/hour
Gear 4-Low used for power test.

Nebraska Tractor Test 1150

Nebraska Tractor Test 1150
Diesel 12-speed 2WD October 26 - November 6, 1973 Link: Nebraska Tractor Test 1150 file
PTO performance
Power at rated engine speed:	80.49 hp 60.0 kW
Fuel use:	6.0 gal/hour 22.7 l/hour
Power at rated PTO speed:	76.52 hp 57.1 kW
Fuel use:	5.6 gal/hour 21.2 l/hour
Drawbar performance
Max power:	68.90 hp 51.4 kW
Fuel use:	6.0 gal/hour 22.7 l/hour
Gear 3-Low used for power test.

J.I. Case 870 Engines

J.I. Case 870 Engines J.I. Case 5.5L 4-cyl diesel J.I. Case 4.9L 4-cyl gasoline Fuel tank:50 gal
189.3 L
Engine details ...

1970 - 1975

70 Series

Series:

770 ←

870

→ 970

Engines overview

Engines overview
J.I. Case 5.5L 4-cyl diesel
J.I. Case 4.9L 4-cyl gasoline

Engine Detail

Engine Detail
J.I. Case
diesel
4-cylinder
liquid-cooled
Displacement:	336 ci 5.5 L
Bore/Stroke:	4.625x5.00 inches 117 x 127 mm
Compression:	16.5:1
Rated RPM:	1900 (early)
	2000 (mid)
	2100 (late)
Starter volts:	12
Coolant capacity:	28 qts 26.5 L

Engine Detail

Engine Detail
J.I. Case
gasoline
4-cylinder
liquid-cooled
Displacement:	301 ci 4.9 L
Bore/Stroke:	4.375x5.00 inches 111 x 127 mm
Air cleaner:	paper element with pre-cleaner
Compression:	7.5:1
Rated RPM:	1900
Starter volts:	12

Mechanical

Mechanical Chassis:4x2 2WD
Steering:power
Brakes:differential hydraulic dry disc
Cab:Cab optional
Transmissions:8-speed unsynchronized gear
12-speed partial power shift
Transmission details ...

1970 - 1975

70 Series

Series:

770 ←

870

→ 970

Transmissions overview

Transmissions overview
8-speed unsynchronized gear
12-speed partial power shift

Transmission

Transmission
Type:	unsynchronized gear
Gears:	8 forward and 2 reverse
Clutch:	304.8mm dry disc

Speeds

Speeds

Transmission

Transmission
Transmission:	Range Power Shift
Type:	partial power shift
Gears:	12 forward and 4 reverse
Clutch:	hydraulic wet discs
Four gears each with reverse and a three-speed forward powershift.

Speeds

Speeds

Hydraulics

Hydraulics Pump flow:16 gpm
60.6 lpm
Total flow:24 gpm
90.8 lpm
Steering flow:8 gpm
30.3 lpm

Tractor hitch

Tractor hitch Rear Type:II

Power Take-off (PTO)

Power Take-off (PTO) Rear PTO:independent
Rear RPM:540 (1.375)
540/1000 (1.375)
Engine RPM:540@1900
1000@1900

Dimensions & Tires

Dimensions & Tires Wide-front Wheelbase:101 inches
256 cm
Tricycle Wheelbase:94 inches
238 cm
Weight:9,200 lbs
4173 kg
Front tire:7.50-16
Rear tire:18.4-34
Full dimensions and tires ...

1970 - 1975

70 Series

Series:

770 ←

870

→ 970

J.I. Case 870 Tires

J.I. Case 870 Tires
Ag front:	7.50-16
Ag rear:	18.4-34

Dimensions

Dimensions
Wide-front Wheelbase:	101 inches 256 cm
Tricycle Wheelbase:	94 inches 238 cm
Length:	153 inches 388 cm
Height (hood):	67 inches 170 cm
Weight:	9,200 lbs 4173 kg
Ground clearance:	15 inches 38 cm