Long 900
The Long 900 is a tractor produced by Long. It is equipped with a 285 ci 4.7 L engine. The listed engine power is Diesel (listed): 85 hp / 63.4 kW. Transmission: 16 forward and 8 reverse. Operating weight: 7750 to 8200 pounds.
Engine Power
Diesel (listed): 85 hp / 63.4 kW
Fuel & Capacities
24 gal
90.8 L
Transmission
16 forward and 8 reverse
Operating Weight
7750 to 8200 pounds
Overview
 | 1974 - 1977
Row-Crop tractorZetor built
Row-Crop tractor
Zetor built |
|---|
Production | |
|---|---|
Distributor | Long |
Manufacturer | Zetor |
Row-Crop tractor | |
Long 900 Engine | |
|---|---|
Zetor 4.7L 4-cyl diesel | |
Engine details ...  |
Long 900 Transmission | |
|---|---|
16-speed two-speed power shift | |
Transmission details ...  |
Long 900 Power | |
|---|---|
Engine | 85 hp
63.4 kW |
PTO (claimed) | 72.88 hp
54.3 kW |
Drawbar (tested) | 59.90 hp
44.7 kW |
PTO (tested) | 72.88 hp
54.3 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Two-wheel drive | |
Steering | hydraulic power |
Hydraulic brakes | |
Open operator station. Two-post ROPS optional. Cab optional. | |
Capacity | |
|---|---|
Fuel | 24 gal
90.8 L |
Steering | 7.5 qts
7.1 L |
Tractor hitch | |
|---|---|
Rear Type | 2 |
Rear lift | 5,300 lbs
2404 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Rear PTO Type | 540/1000 |
Dimensions & Tires | |
|---|---|
Wheelbase | 92.5 inches
234 cm |
Weight | 7750 to 8200 pounds |
Front tire | 9.5-15 |
Rear tire | 16.9-34 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
References | |
|---|---|
 | |
900 Agricultural Tractor published in 1976, by Long |
Engine
Engine Detail — 285 ci / 4.7 L Diesel
Manufacturer | Zetor |
Fuel Type | Diesel |
Configuration | 4-cylinder, liquid-cooled |
Displacement | 285 ci
4.7 L |
Bore/Stroke | 4.33x4.72 inches
110 x 120 mm |
Power | 85 hp
63.4 kW |
Compression | 17:1 |
Rated RPM | 2200 |
Starter volts | 12 |
Oil capacity | 10.5 qts
9.9 L |
Coolant capacity | 19 qts
18.0 L |
Transmission
Transmission — 16 forward and 8 reverse two-speed power shift
Type | two-speed power shift |
Gears | 16 forward and 8 reverse |
Oil capacity | 12 qts
11.4 L |
Eight forward and four reverse gear with power shift torque converter (TC) providing an under-drive to each gear. | |
With 16.9-34 rear tires. | |
 | |
Dimensions
Long 900 Tires | |
|---|---|
Ag front | 9.5-15 |
Ag rear | 16.9-34 |
18.4-34 | |
Dimensions | |
|---|---|
Wheelbase | 92.5 inches
234 cm |
Length | 155 inches
393 cm |
Width | 76 inches
193 cm |
Clearance (front axle) | 21 inches
53 cm |
Front tread | 64 to 88 inches
162 to 223 cm |
Rear tread | 59 to 68 inches
149 to 172 cm (manual) |
Rear tread | 64 to 88 inches
162 to 223 cm (power) |
Long 900 Weight | |
|---|---|
Shipping | 7,750 lbs
3515 kg |
Operating | 8,200 lbs
3719 kg |
Ballasted | 12,575 lbs
5704 kg |
Tests
Nebraska Tractor Test 1163 | |
|---|---|
Diesel 16-speed 2WD
October 2 - 18, 1974
Link: Nebraska Tractor Test 1163 file | |
PTO performance | |
Power at rated engine speed | 72.88 hp
54.3 kW |
Fuel use | 5.6 gal/hour
21.2 l/hour |
Power at rated PTO speed | 72.86 hp
54.3 kW |
Fuel use | 5.6 gal/hour
21.2 l/hour |
Drawbar performance | |
Max power | 59.90 hp
44.7 kW |
Fuel use | 5.5 gal/hour
20.8 l/hour |
Gear 2-Hi TC used for power test. | |
Max pull | 7,843 lbs
3557 kg |
Gear 1-Hi TC used for pull test. | |
Photos
Long 900
Recommended Implements & Sizing Guide
Engineering recommendations for Long 900 based on its 85 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 Long 900.
Estimated Continuous Field Runtime: 5.4 hrs
Approximately 5.4 hours of continuous field operation at ~75% rated power on a full tank (24 gal / 90.8 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
Long 900 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Long 900.
Converted Equivalents:
Horsepower (HP)85 hp
Kilowatts (kW)63.4 kW
Metric Horsepower (PS / CV)86.2 PS
Direct Competitor Comparison
Compare Long 900 against same-era industry alternatives in the same horsepower class.
Current Model
Long
Long 900
Engine Power:Diesel (listed): 85 hp / 63.4 kW
★ Baseline Reference