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Zetor 4320

The Zetor 4320 is a tractor produced by Zetor. It is equipped with a 210.9 ci 3.5 L engine. The listed engine power is Diesel (listed): 59 hp / 44.0 kW. Transmission: mechanical shuttle. Operating weight: 6500 lbs 2948 kg.

Engine Power
Diesel (listed): 59 hp / 44.0 kW
Fuel & Capacities
18.5 gal 70.0 L
Transmission
mechanical shuttle
Operating Weight
6500 lbs 2948 kg

Overview

Zetor 4320 tractor photo
1993 - 1997 Range 1 SeriesUtility tractor Range 1 Series Utility tractor
Production
Manufacturer
Zetor
Utility tractor
Built in Brno, Czech Republic
Original price was $18,500 in 1998
Variants
4320
2WD
4340
4WD
Zetor 4320 Engine
Zetor 3.5L 4-cyl diesel
Fuel tank
18.5 gal 70.0 L
Engine details ...
Zetor 4320 Power
Engine
59 hp 44.0 kW
PTO (claimed)
55 hp 41.0 kW
Drawbar (tested)
46.64 hp 34.8 kW
PTO (tested)
53.09 hp 39.6 kW
Performance test details ...
Mechanical
Two-wheel drive
Power steering
Hydraulic dry disc brakes
Two-post ROPS. Cab available with air-conditioning.
Hydraulics
Type
open center
Pressure
2600 psi 179.3 bar
Valves
1 to 3
Pump flow
11 gpm 41.6 lpm
Total flow
15 gpm 56.8 lpm
Steering flow
4 gpm 15.1 lpm
Tractor hitch
Rear Type
II/I
Control
position and draft control
Rear lift
5850 lbs 2653 kg
Power Take-off (PTO)
Rear PTO
independent
Rear PTO Type
540/1000
Dimensions & Tires
Wheelbase
88 inches 223 cm
Weight
6500 lbs 2948 kg
Front tire
9.00-16
Rear tire
16.9-28
Full dimensions and tires ...
Electrical
Charging system
alternator
Charging amps
55
Battery CCA
950
Battery volts
12
References
4320 references literature
Range 1 Tractors published by Zetor

Engine

Engine Detail — 210.9 ci / 3.5 L Diesel

Manufacturer
Zetor Z6201
Fuel Type
Diesel
Configuration
4-cylinder, liquid-cooled
Displacement
210.9 ci 3.5 L
Bore/Stroke
3.937x4.331 inches 100 x 110 mm
Power
59 hp 44.0 kW
Compression
17:1
Rated RPM
2200
Starter volts
12
Coolant capacity
14.5 qts 13.7 L

Transmission

Transmission options
10-speed synchro
10-speed

Transmission — 10 forward and 2 reverse synchro

Type
synchro
Gears
10 forward and 2 reverse
Clutch
hydraulic 304.8mm cerametallic disc
With 16.9-28 rear tires.
4320 synchro speeds

Transmission — mechanical shuttle

Transmission
mechanical shuttle
Gears
10 forward and reverse
With 16.9-28 rear tires. Reverse speeds are 10% faster than forward.
4320 mechanical shuttle speeds

Dimensions

Zetor 4320 Tires
Ag front
9.00-16
Ag rear
16.9-28
Dimensions
Wheelbase
88 inches 223 cm
Length
140 inches 355 cm
Width
73 inches 185 cm
Height (steering wheel)
72 inches 182 cm
Height (cab)
101 inches 256 cm
Weight
6500 lbs 2948 kg
Ground clearance
21 inches 53 cm

Tests

Nebraska Tractor Test 1601
Diesel 10-speed 4WD September 11 - 30, 1986 Link: Nebraska Tractor Test 1601 file
PTO performance
Power at rated engine speed
53.09 hp 39.6 kW
Fuel use
3.4 gal/hour 12.9 l/hour
Power at rated PTO speed
50.23 hp 37.5 kW
Fuel use
3.1 gal/hour 11.7 l/hour
Drawbar performance
Max power
46.64 hp 34.8 kW
Fuel use
3.4 gal/hour 12.9 l/hour
Gear 2H used for power test.
Max pull
6,332 lbs 2872 kg
Gear 4L used for pull test.

Photos

Zetor 4320 utility tractor.

Zetor 4320 utility tractor.

Recommended Implements & Sizing Guide

Engineering recommendations for Zetor 4320 based on its 59 HP power envelope and ASAE agricultural standards.

Implement & OperationRecommended SizeWorkload RatingEngineering Notes
Moldboard PlowPrimary Tillage
3 to 4 Bottom (16")3 - 4 铧 (40 cm)Heavy DutySuitable for medium loam and stubble turnover.
Rotary Cutter / MowerMowing & Clearing
6 ft (72 in)1.8 mMedium DutyMedium pasture clearing; rear slip-clutch recommended.
Rotary TillerSeedbed Prep
66 to 72 in165 - 180 cmMedium DutyStandard 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 DutyField leveling and clod breaking behind plows.
Hay BalerHay & Forage
Small Square Baler (14x18")小方捆打捆机 (36x46 cm)Medium DutyClassic 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 Zetor 4320.

Estimated Continuous Field Runtime: 6 hrs

Approximately 6 hours of continuous field operation at ~75% rated power on a full tank (18.5 gal / 70 L).

Estimated 75% Load Fuel Burn~3.1 gal/hr (11.6 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 4320 Specification Unit Converter

Convert power, fluid capacities, and operating weights between metric and imperial standards for Zetor 4320.

Converted Equivalents:

Horsepower (HP)59 hp
Kilowatts (kW)44 kW
Metric Horsepower (PS / CV)59.8 PS

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