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Years in Production / 2004–2007

Zetor

8421

Explore the specifications, hardware, and original references for the Zetor 8421.

Generic tractor; no model photo available
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90hp

Source index power

2WD Only

Drive

2004–2007

Production years

Zetor

Manufacturer

8421 / 01

At a glance

Production

Built in Brno, Czechoslovakia

Manufacturer
Zetor

Hydraulics

Type
open center
Pressure
2900 psi200.0 bar
Valves
3
Pump Flow
14 gpm53.0 lpm
Total Flow
18 gpm68.1 lpm

Hitch

Rear Type
II/I
Control
position and draft control
Rear Lift
6830 lbs3098 kg

Pto

Rear Pto
independent
Rear Type
540/1000 (1.375)

Electrical

Charging System
alternator
Rops Charging Amps
55
Cab Charging Amps
70
Battery Volts
12

Mechanical

Two-wheel drive

Power steering

Hydraulic wet disc brakes

Two-post folding ROPS. Cab optional with air-conditioning.

8421 / 02

Under the hood

Engine Detail

Zetor

turbocharged diesel

4-cylinder

liquid-cooled

Displacement
254 ci4.2 L
Power Net
84 hp62.6 kW
Power Gross
90 hp67.1 kW
Rated Rpm
2200
Starter Volts
12
Cylinders
4
Cooling
liquid-cooled

Engine Options

Zetor 4.2L 4-cyl diesel

Rops Fuel Tank
20 gal75.7 L
Cab Fuel Tank
32 gal121.1 L

8421 / 03

Gears & controls

Transmission (Option 1)

Transmission Type
syncromesh
Gears
10 forward and 2 reverse
Clutch
304.8mm hydraulic cerametallic disc

Transmission (Option 2)

Transmission Type
mechanical shuttle
Gears
12 forward and reverse
Clutch
304.8mm hydraulic cerametallic disc

8421 / 04

Size. Stance. Footprint.

Dimensions

Length
152 in386 cm
Width
73 in185 cm
Height (cab)
102 in259 cm
Height (ROPS)
103 in261 cm
Wheelbase
90 in228 cm
Ground clearance
22 in55 cm
Front tread
56 in142 cm
Rear tread
56 in142 cm

Dimensions And Tires

Wheelbase
90 inches228 cm
Weight
7440 lbs3374 kg
Front Tire
9.00-16
Rear Tire
16.9-34

Tires And Tracks

Front Ag
9.00-16
Rear Ag
16.9-34

See it in action

Videos

Watch Zetor 8421 videos from their original YouTube creators.

Zetor Tractor Proxima 6421 6441 7421 7441 8421 8441 Operator's Manual

Video by Heydownloads

Watch on YouTube ↗