Introduction
J.I. Case 870 agricultural tractor
The J.I. Case 870 is a two-wheel drive agricultural tractor manufactured by J.I. Case in Racine, Wisconsin, between 1970 and 1975. Part of the 770 and 970 series, this model was designed to provide a versatile power solution for mid-range field operations.
Engine and Performance
The tractor is powered by a 301 cubic inch (4.9 L) 4-cylinder gasoline engine. It features a liquid-cooled design with a compression ratio of 7.5:1. The engine operates at a rated speed of 1900 RPM, delivering approximately 78 horsepower to support a variety of agricultural implements.
Transmission and Drivetrain
The 870 model offers two transmission configurations: a standard 8-speed unsynchronized gear transmission with a 304.8mm dry disc clutch, or an optional 12-speed partial power shift transmission equipped with hydraulic wet disc clutches. Both configurations provide multiple forward and reverse gear ratios to suit different working conditions.
Hydraulics and PTO
The tractor is equipped with an open-center hydraulic system providing a total flow of 24 gpm (90.8 lpm), with 16 gpm allocated to the main pump and 8 gpm dedicated to the steering system. The independent rear Power Take-Off (PTO) supports both 540 and 1000 RPM settings at a rated engine speed of 1900 RPM.
Dimensions and Chassis
With a base weight of 9,200 lbs (4,173 kg), the tractor is built for stability. It features power steering and differential hydraulic dry disc brakes. The wheelbase varies by configuration, measuring 101 inches for the wide-front model and 94 inches for the tricycle version, with a ground clearance of 15 inches.
Conclusion
The J.I. Case 870 is a robust, classically engineered tractor suitable for general farm duties. Its combination of a reliable gasoline engine, flexible transmission options, and substantial hydraulic capacity makes it a practical choice for collectors and operators maintaining legacy equipment.
Production Information of J.I. Case, 870
- Original price was $8,400 in 1975
- Built in Racine, Wisconsin, USA
| Manufacturer | J.I. Case |
|---|---|
| Total built | 3,238 |
Dimension and Tires Information of J.I. Case, 870
| Wide-front Wheelbase | 101 inches [256 cm] |
|---|---|
| Weight | 9200 lbs [4173 kg] |
| Height (hood) | 67 inches [170 cm] |
| Tricycle Wheelbase | 94 inches [238 cm] |
| Ground clearance | 15 inches [38 cm] |
| Length | 153 inches [388 cm] |
| Ag front | 7.50-16 |
|---|---|
| Ag rear | 18.4-34 |
Engine Specifications of J.I. Case, 870
- J.I. Case
- Liquid-cooled
- Gasoline
- 4-cylinder
| Starter volts | 12 |
|---|---|
| Displacement | 301 ci [4.9 L] |
| Compression | 7.5:1 |
| Bore/Stroke | 4.375x5.00 inches [111 x 127 mm] |
| Coolant capacity | 28 qts [26.5 L] |
| Starter volts | 12 |
| Rated RPM | 1900 |
| Air cleaner | Paper element with pre-cleaner |
Transmission Information of J.I. Case, 870
Transmission variants 1
| Type | Unsynchronized gear |
|---|---|
| Gears | 8 forward and 2 reverse |
| Clutch | 304.8mm dry disc |
Transmission variants 2
- Four gears each with reverse and a three-speed forward powershift.
| Transmission | Range Power Shift |
|---|---|
| Clutch | Hydraulic wet discs |
| Type | Partial power shift |
| Gears | 12 forward and 4 reverse |
- 8-speed unsynchronized gear
- 12-speed partial power shift
Mechanical Specs of J.I. Case, 870
- Two-wheel drive
- Cab optional
- Power steering
- Differential hydraulic dry disc brakes
Power Information of J.I. Case, 870
| Rear PTO | Independent |
|---|---|
| Rear PTO(optional) | 1000@1900 |
| Engine RPM | 540@1900 |
| Rear PTO Type | 540 (1.375) |
| Rear PTO Type(optional) | 540/1000 (1.375) |
Hydraulics Specifications of J.I. Case, 870
| Type | Open center |
|---|---|
| Steering flow | 8 gpm [30.3 lpm] |
| Pump flow | 16 gpm [60.6 lpm] |
| Total flow | 24 gpm [90.8 lpm] |
Three-Point Hitch of J.I. Case, 870
| Rear Type | II |
|---|
Where it sits
Its power puts it in the 57th percentile of 1970s models in our database (1259 machines).
Frequently asked questions
How much horsepower does the J.I. Case 870 have?
The J.I. Case 870 delivers 78 hp[P] HP.
What years was the J.I. Case 870 produced?
The J.I. Case 870 was produced in 1970-1975.
What engine does the J.I. Case 870 have?
The J.I. Case 870 is powered by a Gasoline, 4-cylinder engine.
What transmission does the J.I. Case 870 use?
The J.I. Case 870 uses a Unsynchronized gear transmission.
How much does the J.I. Case 870 weigh?
The J.I. Case 870 weighs 9200 lbs [4173 kg].
Is the J.I. Case 870 4WD?
The J.I. Case 870 is available in 2WD.