Long 510
The Long 510 is a tractor produced by Long. It is equipped with a 164.5 ci 2.7 L engine. The listed engine power is 49.35 hp 36.8 kW. Transmission: 8 forward and reverse. Operating weight: 4285 to 5265 pounds.
Engine Power
49.35 hp
36.8 kW
Fuel & Capacities
Diesel
Transmission
8 forward and reverse
Operating Weight
4285 to 5265 pounds
Overview
 | 1979 - 1990
Utility tractorUTB/Universal built
Utility tractor
UTB/Universal built |
|---|
Production | |
|---|---|
Distributor | Long |
Manufacturer | UTB/Universal |
Utility tractor | |
Built in Brasov, Romania | |
Variants | |
|---|---|
510 DTC | 4WD |
Long 510 Engine | |
|---|---|
UTB/Universal 2.7L 3-cyl diesel | |
Engine details ...  |
Long 510 Transmission | |
|---|---|
8-speed | |
Transmission details ...  |
Long 510 Power | |
|---|---|
Drawbar (claimed) | 42 hp
31.3 kW |
PTO (claimed) | 48.5 hp
36.2 kW |
Drawbar (tested) | 41.75 hp
31.1 kW |
PTO (tested) | 49.35 hp
36.8 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Two- or four-wheel drive | |
Steering | hydrostatic power |
Mechanical contracting band brakes | |
Two-post ROPS. | |
Power Take-off (PTO) | |
|---|---|
Rear PTO Type | 540 |
Engine RPM | 540@2160 |
Dimensions & Tires | |
|---|---|
2WD Wheelbase | 76 inches
193 cm |
4WD Wheelbase | 75.2 inches
191 cm |
Weight | 4285 to 5265 pounds |
Front tire | 7.5016 |
Rear tire | 14.9-28 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
Engine
Engine Detail — 164.5 ci / 2.7 L Diesel
Manufacturer | UTB/Universal |
Fuel Type | Diesel |
Configuration | 3-cylinder, liquid-cooled |
Displacement | 164.5 ci
2.7 L |
Bore/Stroke | 4.02x4.33 inches
102 x 110 mm |
Compression | 17:1 |
Rated RPM | 2400 |
Idle RPM | 600-2550 |
Firing order | 1-2-3 |
Starter volts | 12 |
Transmission
Transmission — 8 forward and 2 reverse
Gears | 8 forward and 2 reverse |
Clutch | dry disc |
 | |
Transmission — 8 forward and reverse
Gears | 8 forward and reverse |
Dimensions
Long 510 Tires | |
|---|---|
Ag front | 7.5016 (2WD) |
9.5-20 (4WD) | |
Ag rear | 14.9-28 |
Dimensions | |
|---|---|
2WD Wheelbase | 76 inches
193 cm |
4WD Wheelbase | 75.2 inches
191 cm |
2WD Front tread | 50.4 to 77.5 inches
128 to 196 cm |
Front tread | 59.5 inches
151 cm (4WD) |
Rear tread | 52.3 to 76.3 inches
132 to 193 cm |
Long 510 Weight | |
|---|---|
Operating | 4,285 lbs (2WD)
1943 kg |
5,265 lbs (4WD)
2388 kg | |
Ballasted | 9,100 lbs
4127 kg |
Tests
Tractor Tests | |
|---|---|
NTTL 1415: diesel 8-speed 2WD | |
NTTL 1416: diesel 8-speed 4WD |
Nebraska Tractor Test 1415 | |
|---|---|
Diesel 8-speed 2WD
October 29 - November 14, 1981
Link: Nebraska Tractor Test 1415 file | |
PTO performance | |
Power at rated engine speed | 49.15 hp
36.7 kW |
Fuel use | 3.2 gal/hour
12.1 l/hour |
Power at rated PTO speed | 46.91 hp
35.0 kW |
Fuel use | 3.0 gal/hour
11.4 l/hour |
Drawbar performance | |
Max power | 41.75 hp
31.1 kW |
Fuel use | 3.2 gal/hour
12.1 l/hour |
Gear 5 used for power test. | |
Max pull | 6040 lbs
2739 kg |
Gear 2 used for pull test. | |
Nebraska Tractor Test 1416 | |
|---|---|
Diesel 8-speed 4WD
October 29 - November 14, 1981
Link: Nebraska Tractor Test 1416 file | |
PTO performance | |
Power at rated engine speed | 49.35 hp
36.8 kW |
Fuel use | 3.1 gal/hour
11.7 l/hour |
Power at rated PTO speed | 46.41 hp
34.6 kW |
Fuel use | 2.8 gal/hour
10.6 l/hour |
Drawbar performance | |
Max power | 40.01 hp
29.8 kW |
Fuel use | 3.1 gal/hour
11.7 l/hour |
Gear 5 used for power test. | |
Max pull | 5635 lbs
2556 kg |
Gear 2 used for pull test. | |
Photos
Long 510
Recommended Implements & Sizing Guide
Engineering recommendations for Long 510 based on its 49.35 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 2 to 3 Bottom (14-16")2 - 3 铧 (35-40 cm) | Medium Duty | Standard utility farm tillage. |
Rotary Cutter / MowerMowing & Clearing | 6 ft (72 in)1.8 m | Medium Duty | Medium pasture clearing; rear slip-clutch recommended. |
Rotary TillerSeedbed Prep | 66 to 72 in165 - 180 cm | Medium Duty | Standard utility tiller; slip clutch protection required. |
Disc HarrowSecondary Tillage | 7 to 8 ft Tandem Disc2.1 - 2.4 m 对开双排耙 | Medium Duty | Field leveling and clod breaking behind plows. |
Hay BalerHay & Forage | Small Square Baler (14x18")小方捆打捆机 (36x46 cm) | Medium Duty | Classic 2-string baler for horse and small livestock hay. |
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 510.
Estimated Continuous Field Runtime: 1.2 hrs
Approximately 1.2 hours of continuous field operation at ~75% rated power on a full tank (3.1 gal / 11.7 L).
Estimated 75% Load Fuel Burn~2.6 gal/hr (9.7 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 510 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Long 510.
Converted Equivalents:
Horsepower (HP)49.4 hp
Kilowatts (kW)36.8 kW
Metric Horsepower (PS / CV)50 PS
Direct Competitor Comparison
Compare Long 510 against same-era industry alternatives in the same horsepower class.
Current Model
Long
Long 510
Engine Power:49.35 hp
36.8 kW
★ Baseline Reference