Zetor 8620
The Zetor 8620 is a tractor produced by Zetor. It is equipped with a 254 ci 4.2 L engine. The listed engine power is Diesel (listed): 82 hp / 61.1 kW. Transmission: 18 forward and 6 reverse. Operating weight: 7430 lbs 3370 kg.
Engine Power
Diesel (listed): 82 hp / 61.1 kW
Fuel & Capacities
28 gal
106.0 L
Transmission
18 forward and 6 reverse
Operating Weight
7430 lbs
3370 kg
Overview
 | 1996 - 1999
Row-Crop tractor |
|---|
Production | |
|---|---|
Manufacturer | Zetor |
Row-Crop tractor | |
Built in Brno, Czech Republic | |
Original price was $30,000 in 1999 | |
Variants | |
|---|---|
8620 | 2WD |
8640 | 4WD |
Zetor 8620 Engine | |
|---|---|
Zetor 4.2L 4-cyl diesel | |
Fuel tank | 28 gal
106.0 L |
Engine details ...  | |
Zetor 8620 Transmission | |
|---|---|
18-speed synchromesh | |
Transmission details ...  |
Zetor 8620 Power | |
|---|---|
Engine | 82 hp
61.1 kW |
PTO (claimed) | 74 hp
55.2 kW |
Mechanical | |
|---|---|
Two-wheel drive | |
Differential lock | electro-hydraulic rear |
Power steering | |
Hydraulic wet disc brakes | |
Cab standard with available air-conditioning. Two-post ROPS available. | |
Hydraulics | |
|---|---|
Type | open center |
Pressure | 2600 psi
179.3 bar |
Valves | 3 |
Pump flow | 16 gpm
60.6 lpm |
Steering flow | 6.5 gpm
24.6 lpm |
Tractor hitch | |
|---|---|
Rear Type | II |
Control | position and draft control |
Rear lift | 9000 lbs
4082 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Clutch | wet disc |
Rear PTO Type | 540/1000 (1.375) |
Dimensions & Tires | |
|---|---|
Wheelbase | 93.5 inches
237 cm |
Weight | 7430 lbs
3370 kg |
Front tire | 9.00-16 |
Rear tire | 16.9-38 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Charging system | alternator |
Charging amps | 55 |
Battery CCA | 1150 |
Battery volts | 12 |
References | |
|---|---|
 | |
Model 8620/8640 published in 1996, by Zetor |
Engine
Engine Detail — 254 ci / 4.2 L Diesel
Manufacturer | Zetor Z 1201 |
Fuel Type | Diesel |
Configuration | 4-cylinder, liquid-cooled |
Displacement | 254 ci
4.2 L |
Bore/Stroke | 4.134x4.724 inches
105 x 120 mm |
Power | 82 hp
61.1 kW |
Fuel system | direct injection |
Pre-heating | glow plugs |
Rated RPM | 2200 |
Starter | electric |
Starter volts | 12 |
Transmission
Transmission — 18 forward and 6 reverse synchromesh
Type | synchromesh |
Gears | 18 forward and 6 reverse |
Clutch | 330mm hydraulic dry disc |
Three gears in high/low/reverse ranges with a three-speed torque multiplier. | |
With 16.9-38 rear tires. | |
 | |
Dimensions
Zetor 8620 Tires | |
|---|---|
Ag front | 9.00-16 |
Ag rear | 16.9-38 |
Dimensions | |
|---|---|
Wheelbase | 93.5 inches
237 cm |
Length | 156 inches
396 cm |
Width | 76 inches
193 cm |
Height (cab) | 105 inches
266 cm |
Weight | 7430 lbs
3370 kg |
Ground clearance | 20.5 inches
52 cm |
Front tread | 56 to 71 inches
142 to 180 cm |
Rear tread | 59 to 71 inches
149 to 180 cm |
Photos
Zetor 8620 tractor photo
Recommended Implements & Sizing Guide
Engineering recommendations for Zetor 8620 based on its 82 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 Zetor 8620.
Estimated Continuous Field Runtime: 6.6 hrs
Approximately 6.6 hours of continuous field operation at ~75% rated power on a full tank (28 gal / 106 L).
Estimated 75% Load Fuel Burn~4.3 gal/hr (16.1 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
Zetor 8620 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Zetor 8620.
Converted Equivalents:
Horsepower (HP)82 hp
Kilowatts (kW)61.1 kW
Metric Horsepower (PS / CV)83.1 PS
Direct Competitor Comparison
Compare Zetor 8620 against same-era industry alternatives in the same horsepower class.
Current Model
Zetor
Zetor 8620
Engine Power:Diesel (listed): 82 hp / 61.1 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester 844
Engine Power:73.8
Production Years:1974 - 1980
Related models
Zetor 6320
- Power:
- 66
- Production years:
- 1993 - 1997
Zetor 6321
- Power:
- 66
- Production years:
- 1997 - 2004
Zetor 6340
- Power:
- 66
- Production years:
- 1993 - 1997
Zetor 6341
- Power:
- 66
- Production years:
- 1997 - 2004
Zetor 5320
- Power:
- 66.7
- Production years:
- 1995 - 1997