Farmall 826
The Farmall 826 is a tractor produced by Farmall. It is equipped with a 301 ci 4.9 L engine. The listed engine power is 84.66 hp 63.1 kW. Transmission: International Harvester Torque Amplifier. Operating weight: 9860 lbs 4472 kg.
Engine Power
84.66 hp
63.1 kW
Fuel & Capacities
Gasoline
Transmission
International Harvester Torque Amplifier
Operating Weight
9860 lbs
4472 kg
Overview
 | 1969 - 1971
Row-Crop tractor |
|---|
Production | |
|---|---|
Manufacturer | Farmall (a part of International Harvester) |
Row-Crop tractor | |
Built in Rock Island, Illinois, USA | |
Total built | 9,591 |
Original price was $9,600 in 1971 | |
Variants | |
|---|---|
International 826 | standard |
Farmall 826 | row-crop |
International 2826 | industrial |
Farmall 826 Power | |
|---|---|
Gear Drawbar (claimed) | 79 hp
58.9 kW |
Hydro Drawbar (claimed) | 61 hp
45.5 kW |
Gear PTO (claimed) | 92 hp
68.6 kW |
Hydro PTO (claimed) | 84 hp
62.6 kW |
Drawbar (tested) | 78.92 hp
58.9 kW |
PTO (tested) | 92.19 hp
68.7 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Two- or four-wheel drive | |
Final drives | bull gear |
Differential lock | mechanical rear OptOptional |
Power steering | |
Hydraulic dry disc brakes | |
Open operator station. Cab optional. | |
Hydraulics | |
|---|---|
Type | open center |
Tractor hitch | |
|---|---|
Rear Type | II |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Rear PTO Type | 1000 |
540/1000 | |
Engine RPM | 540@2100 |
1000@2100 | |
Dimensions & Tires | |
|---|---|
Wheelbase | 105 inches
266 cm |
Weight | 9860 lbs
4472 kg |
Front tire | 9.5L-15 |
Rear tire | 18.4-34 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Charging system | alternator |
Batteries | 2 (diesel) |
1 (gas/LP) | |
Battery volts | 6 (diesel) |
1 (gas/LP) | |
References | |
|---|---|
 | |
Farm Loaders published in 1970, by International Harvester | |
Spring 1970 Buyer's Guide published by International Harvester | |
Farm Equipment Reference Catalog published in 1970, by International Harvester |
Engine
Engine options | |
|---|---|
International Harvester 5.9L 6-cyl diesel | |
International Harvester 4.9L 6-cyl gasoline | |
International Harvester 4.9L 6-cyl LP-gas |
Engine Detail — 358 ci / 5.9 L Diesel
Manufacturer | International Harvester D-358 |
Fuel Type | Diesel |
Configuration | 6-cylinder, liquid-cooled |
Displacement | 358 ci
5.9 L |
Bore/Stroke | 3.875x5.0625 inches
98 x 129 mm |
Air cleaner | dual stage dry |
Compression | 16:1 |
Rated RPM | 2400 |
Starter | electric |
Starter volts | 12 |
Oil capacity | 12 qts
11.4 L |
Coolant capacity | 37 qts
35.0 L |
Engine Detail — 301 ci / 4.9 L Gasoline
Manufacturer | International Harvester C-301 |
Fuel Type | Gasoline |
Configuration | 6-cylinder, liquid-cooled |
Displacement | 301 ci
4.9 L |
Bore/Stroke | 3.8125x4.39 inches
97 x 112 mm |
Rated RPM | 2400 |
Starter | electric |
Starter volts | 12 |
Coolant capacity | 37 qts
35.0 L |
Engine Detail — 301 ci / 4.9 L
Manufacturer | International Harvester C-301 |
Configuration | 6-cylinder, liquid-cooled |
LP-gas | |
Displacement | 301 ci
4.9 L |
Bore/Stroke | 3.8125x4.39 inches
97 x 112 mm |
Rated RPM | 2400 |
Starter | electric |
Starter volts | 12 |
Coolant capacity | 37 qts
35.0 L |
Transmission
Transmission options | |
|---|---|
16-speed two-speed power shift | |
hydrostatic |
Transmission — International Harvester Torque Amplifier
Transmission | International Harvester Torque Amplifier |
Type | two-speed power shift |
Gears | 16 forward and 8 reverse |
Clutch | dry disc |
With 18.4-34 rear tires. | |
 | |
Transmission — infinite forward and reverse (2-range) hydrostatic
Type | hydrostatic |
Gears | infinite forward and reverse (2-range) |
 | |
Dimensions
Farmall 826 Tires | |
|---|---|
Ag front | 9.5L-15 |
Ag rear | 18.4-34 |
Dimensions | |
|---|---|
Wheelbase | 105 inches
266 cm |
Length | 164 inches
416 cm |
Height (steering wheel) | 84 inches
213 cm |
Gear Operating weight | 9860 lbs
4472 kg |
Ballasted weight | 13840 lbs
6277 kg |
Bar rear axle | 3.25 by 92 inches
82 by 2336 mm |
Tests
Tractor Tests | |
|---|---|
NTTL 1045: D358 diesel Torque Amplifier 2WD | |
NTTL 1046: D358 diesel hydrostatic 2WD |
Nebraska Tractor Test 1045 | |
|---|---|
D358 diesel Torque Amplifier 2WD
June 3 - 27, 1970
Link: Nebraska Tractor Test 1045 file | |
PTO performance | |
Power at rated engine speed | 92.19 hp
68.7 kW |
Fuel use | 6.2 gal/hour
23.5 l/hour |
Power at rated PTO speed | 85.34 hp
63.6 kW |
Fuel use | 1.0 gal/hour
3.8 l/hour |
Drawbar performance | |
Max power | 78.92 hp
58.9 kW |
Fuel use | 6.2 gal/hour
23.5 l/hour |
Gear 1-Hi-TA used for power test. | |
Max pull | 9,631 lbs
4368 kg |
Gear 3-Lo-TA used for pull test. | |
Nebraska Tractor Test 1046 | |
|---|---|
D358 diesel hydrostatic 2WD
June 6 - 27, 1970
Link: Nebraska Tractor Test 1046 file | |
PTO performance | |
Power at rated engine speed | 84.66 hp
63.1 kW |
Fuel use | 6.3 gal/hour
23.8 l/hour |
Power at rated PTO speed | 79.00 hp
58.9 kW |
Fuel use | 5.6 gal/hour
21.2 l/hour |
Drawbar performance | |
Max power | 61.39 hp
45.8 kW |
Fuel use | 6.1 gal/hour
23.1 l/hour |
Max pull | 8,780 lbs
3982 kg |
Photos
Wide-front Farmall 826, front-left
Tricycle-front Gold Demonstrator Farmall 826, front-right
Farmall 826 with Hiniker cab.
Farmall 826 with Hiniker cab.
Gold Farmall 826 demonstrator at the 1970 Farm Progress Show.
Wide-front Gold Demonstrator Farmall 826.
Wide-front Gold Demonstrator Farmall 826.
Recommended Implements & Sizing Guide
Engineering recommendations for Farmall 826 based on its 84.66 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 3 to 4 Bottom (16")3 - 4 铧 (40 cm) | Heavy Duty | Suitable for medium loam and stubble turnover. |
Rotary Cutter / MowerMowing & Clearing | 7 to 8 ft (84-96 in)2.1 - 2.4 m | Heavy Duty | Heavy-duty twin spindle cutter for overgrown acreage. |
Rotary TillerSeedbed Prep | 78 to 84 in200 - 215 cm | Heavy Duty | Heavy commercial tiller with multi-speed gearbox. |
Disc HarrowSecondary Tillage | 10 to 14 ft Tandem / Offset3.0 - 4.2 m 重型交错耙 | Heavy Duty | Aggressive residue cutting in corn/cotton stubble. |
Hay BalerHay & Forage | 4x4 to 4x5 Round Baler1.2x1.5 m 紧凑圆捆机 | Heavy Duty | Silage and dry hay; 540 RPM PTO with slip-clutch. |
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Farmall 826.
Estimated Continuous Field Runtime: 1.4 hrs
Approximately 1.4 hours of continuous field operation at ~75% rated power on a full tank (6.1 gal / 23.1 L).
Estimated 75% Load Fuel Burn~4.4 gal/hr (16.7 L/hr)
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
Farmall 826 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Farmall 826.
Converted Equivalents:
Horsepower (HP)84.7 hp
Kilowatts (kW)63.1 kW
Metric Horsepower (PS / CV)85.8 PS
Direct Competitor Comparison
Compare Farmall 826 against same-era industry alternatives in the same horsepower class.
Current Model
Farmall
Farmall 826
Engine Power:84.66 hp
63.1 kW
★ Baseline Reference
Related models
Farmall 656
- Power:
- 70.9
- Production years:
- 1965 - 1973
Farmall 666
- Power:
- 75
- Production years:
- 1972 - 1976
Farmall 756
- Power:
- 85
- Production years:
- 1967 - 1971
Farmall 766
- Power:
- 88.6
- Production years:
- 1971 - 1976
Farmall 706
- Power:
- 89
- Production years:
- 1963 - 1967