Equipment

Brands

J.I. Case 770 Tractor (1972)

Manufacturer:

J.I. Case

Price:

7,600(USD)

Series:

Model:

770

Factory:

Racine, Wisconsin, USA

Full Specifications

NEBRASKA TRACTOR TEST 1032

Description

Gasoline 12-speed 2WD/November 10 - 22, 1969/Link: Nebraska Tractor Test 1032 file/PTO performance/Drawbar performance/Gear 2-High used for power test./Gear 2-Low used for pull test.

Power at rated engine speed

53.53 hp/39.9 kW

Fuel use

5.2 gal/hour/19.7 l/hour

Max power

46.30 hp/34.5 kW

Max pull

7,103 lbs/3221 kg

NEBRASKA TRACTOR TEST 1033

Description

Diesel 8-speed 2WD/November 11 - 22, 1969/Link: Nebraska Tractor Test 1033 file/PTO performance/Drawbar performance/Gear 4-Low used for power test./Gear 2-Low used for pull test.

Power at rated engine speed

56.36 hp/42.0 kW

Fuel use

3.7 gal/hour/14.0 l/hour

Max power

49.18 hp/36.7 kW

Max pull

7,623 lbs/3457 kg

NEBRASKA TRACTOR TEST 1058

Description

Diesel 12-speed 2WD/October 28 - November 7, 1970/Link: Nebraska Tractor Test 1058 file/PTO performance/Drawbar performance/Gear 2-High used for power test./Gear 1-Med used for pull test.

Power at rated engine speed

56.77 hp/42.3 kW

Max power

50.36 hp/37.6 kW

Max pull

7,627 lbs/3459 kg

NEBRASKA TRACTOR TEST 1058

Fuel use

3.7 gal/hour/14.0 l/hour

NEBRASKA TRACTOR TEST 1061

Description

Gasoline 8-speed 2WD/November 6 - 19, 1970/Link: Nebraska Tractor Test 1061 file/PTO performance/Drawbar performance/Gear 4-Low used for power test./Gear 2-Low used for pull test.

Power at rated engine speed

56.32 hp/42.0 kW

Fuel use

5.0 gal/hour/18.9 l/hour

Max power

49.14 hp/36.6 kW

Max pull

7,474 lbs/3390 kg

NEBRASKA TRACTOR TEST 1088

Description

Diesel 8-speed 2WD/November 13 - 23, 1971/Link: Nebraska Tractor Test 1088 file/PTO performance/Drawbar performance/Gear 4-Low used for power test./Gear 1-Low used for pull test.

Power at rated engine speed

63.90 hp/47.7 kW

Fuel use

4.3 gal/hour/16.3 l/hour

Power at rated PTO speed

62.85 hp/46.9 kW

Max power

56.85 hp/42.4 kW

Max pull

8,853 lbs/4015 kg

NEBRASKA TRACTOR TEST 1089

Description

Diesel 12-speed 2WD/November 15 - 24, 1971/Link: Nebraska Tractor Test 1089 file/PTO performance/Drawbar performance/Gear 3-Low used for power test./Gear 1-Med used for pull test.

Power at rated engine speed

64.56 hp/48.1 kW

Fuel use

4.4 gal/hour/16.7 l/hour

Power at rated PTO speed

61.93 hp/46.2 kW

Max power

55.95 hp/41.7 kW

Max pull

8,927 lbs/4049 kg

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

ENGINES OVERVIEW

Description

J.I. Case 4.4L 4-cyl diesel/J.I. Case 4.1L 4-cyl gasoline

ENGINE DETAIL 1

Description

J.I. Case/diesel/4-cylinder/liquid-cooled/Engine RPMs increased from 1900 to 2000 starting at serial number 8675001, creating an increase of about 8 horsepower.

Displacement

267 ci/4.4 L

Bore/Stroke

4.125x5.00 inches/105 x 127 mm

Air cleaner

paper element with pre-cleaner

Compression

16.5:1

Rated RPM

1900 (early)/2000 (late)

Starter volts

12

ENGINE DETAIL 2

Description

J.I. Case/gasoline/4-cylinder/liquid-cooled

Displacement

251 ci/4.1 L

Bore/Stroke

4.00x5.00 inches/102 x 127 mm

Air cleaner

paper element with precleaner

Compression

7.5:1

Rated RPM

1900

Starter volts

12

Coolant capacity

28 qts/26.5 L

J.I. CASE 770 ENGINES

Description

J.I. Case 4.4L 4-cyl diesel/J.I. Case 4.1L 4-cyl gasoline

Fuel tank

50 gal/189.3 L

TRANSMISSIONS OVERVIEW

Description

8-speed unsynchronized gear/12-speed partial power shift

TRANSMISSION 1

Type

unsynchronized gear

Gears

8 forward and 2 reverse

Clutch

304.8mm dry disc

TRANSMISSION 2

Transmission

Range Power Shift

Type

partial power shift

Gears

12 forward and 4 reverse

Clutch

hydraulic wet discs

Description

Four gears each with reverse and a three-speed forward powershift.

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

HYDRAULICS

Pump flow

16 gpm/60.6 lpm

Total flow

24 gpm/90.8 lpm

Steering flow

8 gpm/30.3 lpm

TRACTOR HITCH

Rear Type

II

POWER TAKE-OFF (PTO)

Rear PTO

independent

Rear RPM

540 (1.375)/540/1000 (1.375)

Engine RPM

540@1900/1000@1900

J.I. CASE 770 TIRES

Ag front

7.5L-15

Ag rear

16.9-34

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

Operating weight

9,220 lbs/4182 kg

Ballasted weight

10,950 lbs/4966 kg

Ground clearance

15 inches/38 cm

Front tread

60 to 88 inches/152 to 223 cm

Rear tread

60 to 88 inches/152 to 223 cm

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

770 SERIAL NUMBERS

1969

8356251

1970

8650001

1971

8674001

1972

8691801