J.I. Case 770

J.I. Case 770 Technical Specifications

J.I. Case 770 is a Row-Crop tractor that was produced by the John Deere between 1969 – 1972.

Below you will find detailed technical specifications for J.I. Case 770 covering engine types, horsepower ratings, weight, height, fuel type and tank volume, oil capacity and type, hydraulic system diagram, wiring diagram, battery specs, etc.

J.I. Case 770 Production














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


J.I. Case 770 Power













Engine:
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

J.I. Case 770 Mechanical

























Chassis: 4×2 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

Tracktor 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

Title serial numbers















1969: 8356251
1970: 8650001
1971: 8674001
1972: 8691801


how to read serial numbers…

What year is my J.I. Case 770? Serial Number Decoder

The serial number list shows the first tractor built in each year. The other tractors for that year will have successively higher numbers. Your serial number should be between two of the stated numbers.

The list only includes the numbers of the first tractors produced in each year. Your serial should be somewhere between two numbers.Unless you happen to be the first person to own a tractor, your number will not appear on the list.

J.I. Case 770 Engine detail

































Engine Detail
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: 4.125×5.00 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



J.I. Case 770 Transmission overview

Engine Oil









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

J.I. Case 770 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

J.I. Case 770 Tests

Nebraska Tractor Test 1032







































Nebraska Tractor Test 1032
Gasoline 12-speed 2WD
November 10 – 22, 1969
Link: Nebraska Tractor Test 1032 file
PTO performance
Power at rated engine speed: 53.53 hp
39.9 kW
Fuel use: 5.0 gal/hour
18.9 l/hour
Drawbar performance
Max power: 46.30 hp
34.5 kW
Fuel use: 5.2 gal/hour
19.7 l/hour
Gear 2-High used for power test.
Max pull: 7,103 lbs
3221 kg
Gear 2-Low used for pull test.










Nebraska Tractor Test 1033



































Nebraska Tractor Test 1033
Diesel 8-speed 2WD
November 11 – 22, 1969
Link: Nebraska Tractor Test 1033 file
PTO performance
Power at rated engine speed: 56.36 hp
42.0 kW
Fuel use: 3.6 gal/hour
13.6 l/hour
Drawbar performance
Max power: 49.18 hp
36.7 kW
Fuel use: 3.7 gal/hour
14.0 l/hour
Gear 4-Low used for power test.
Max pull: 7,623 lbs
3457 kg
Gear 2-Low used for pull test.







Nebraska Tractor Test 1058



































Nebraska Tractor Test 1058
Diesel 12-speed 2WD
October 28 – November 7, 1970
Link: Nebraska Tractor Test 1058 file
PTO performance
Power at rated engine speed: 56.77 hp
42.3 kW
Fuel use: 3.8 gal/hour
14.4 l/hour
Drawbar performance
Max power: 50.36 hp
37.6 kW
Fuel use: 3.7 gal/hour
14.0 l/hour
Gear 2-High used for power test.
Max pull: 7,627 lbs
3459 kg
Gear 1-Med used for pull test.







Nebraska Tractor Test 1061



































Nebraska Tractor Test 1061
Gasoline 8-speed 2WD
November 6 – 19, 1970
Link: Nebraska Tractor Test 1061 file
PTO performance
Power at rated engine speed: 56.32 hp
42.0 kW
Fuel use: 5.0 gal/hour
18.9 l/hour
Drawbar performance
Max power: 49.14 hp
36.6 kW
Fuel use: 5.0 gal/hour
18.9 l/hour
Gear 4-Low used for power test.
Max pull: 7,474 lbs
3390 kg
Gear 2-Low used for pull test.







Nebraska Tractor Test 1088









































Nebraska Tractor Test 1088
Diesel 8-speed 2WD
November 13 – 23, 1971
Link: Nebraska Tractor Test 1088 file
PTO performance
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
Fuel use: 4.1 gal/hour
15.5 l/hour
Drawbar performance
Max power: 56.85 hp
42.4 kW
Fuel use: 4.3 gal/hour
16.3 l/hour
Gear 4-Low used for power test.
Max pull: 8,853 lbs
4015 kg
Gear 1-Low used for pull test.







Nebraska Tractor Test 1089









































Nebraska Tractor Test 1089
Diesel 12-speed 2WD
November 15 – 24, 1971
Link: Nebraska Tractor Test 1089 file
PTO performance
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
Fuel use: 4.2 gal/hour
15.9 l/hour
Drawbar performance
Max power: 55.95 hp
41.7 kW
Fuel use: 4.4 gal/hour
16.7 l/hour
Gear 3-Low used for power test.
Max pull: 8,927 lbs
4049 kg
Gear 1-Med used for pull test.

FAQ

Is J.I. Case 770 a good tractor?

The J.I. Case 770 is one of the great tractors in the J.I. Case stable, and it has earned J.I. Case a fantastic reputation.

How much oil does a J.I. Case 770 take?

Check out the J.I. Case 770 oil capacity and oil type in the engine specs section as it may vary across the engines. Keep in mind, that older models might have their oil capacity increased over time. You may compare between the early and late oil capacity.

Do tractors have VIN numbers?

Every tractor has a VIN number. The number is usually engraved below the driver’s seat. Tractor manufacturers put the number in different places on the tractor body.

What was the last year J.I. Case made the 770?

The J.I. Case 770 was an agricultural tractor model made from 1969 – 1972

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