J.I. Case 770 Tractor (1972)
Manufacturer:J.I. Case
Price:7,600(USD)
Series:
Model:770
Equipment Type: N/A
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
