Zetor 3321, 3341, 4321, 4341, 5321, 5341, 6321, 6341, 7321, 7341 Super service schedule
Zetor Super · Check your serial plate (not stated in the manual)
Every maker's service job for the Zetor 3321, 3341, 4321, 4341, 5321, 5341, 6321, 6341, 7321, 7341 Super, counted in hours, with the oils, filters and parts each one needs. Add your tractor to Farmyard Workshop and it works out what's due from your hours and dates, and keeps the service history.
Track your 3321, 3341, 4321, 4341, 5321, 5341, 6321, 6341, 7321, 7341 Super for freeVersions: 3321 / 3341; 4321 to 7341
Service intervals
| Job | When |
|---|---|
| Engine oil and filter cartridge change | every 200 hours |
| Drive belt, fuel course cleaner and radiator fins | every 200 hours |
| Grease pivots and axle points | every 200 hours |
| Fuel cleaner cartridge | every 600 hours |
| Transmission oil cleaner cartridge | every 600 hours |
| Valve clearance check | every 1,200 hours |
| Transmission, differential and portal oil change | every 1,200 hours |
| Hydrostatic steering oil and cartridge | every 1,200 hours |
| Front PTO oil change (if fitted) | every 1,200 hours |
| Coolant change | every 1,200 hours |
Service jobs and parts
Engine oil and filter cartridge change
Engine · every 200 hours
The planned maintenance chart gives engine oil and the oil cleaner cartridge together: first at 70 hours, then every 200 hours.
| Part | Qty | Notes | Part number |
|---|---|---|---|
| Engine oil | 1 | 15W-40 or 10W-30. API CE, CF-4 or SG per Zetor's table of tested oils (older 20W-40 SF/CD+ also listed). 9.0 L (3321, 3341) or 12.0 L (4321 to 7341). Aztec Oils match: EMPROTEC EHPD 15W-40 | check your handbook |
| Oil filter cartridge | 1 | Check your handbook or dealer for the number | check your handbook |
Step-by-step
- Drain the oil warm.
- Change the filter cartridge.
- Refill and check the dipstick.
Tools: Drain tray (15 L), Filter wrench
Drive belt, fuel course cleaner and radiator fins
Engine · every 200 hours
Every 200 hours: drive belt tension, fuel course cleaner (clean) and radiator fins by air line; first check at 70 hours.
Step-by-step
- Check the belt tension.
- Clean the fuel course cleaner.
- Blow out the radiator fins.
Tools: Compressed air, Spanners
Grease pivots and axle points
Chassis · every 200 hours
Every 200 hours: front axle pivot pin and knee, with several other points every 10 hours. Check your handbook for the points.
| Part | Qty | Notes | Part number |
|---|---|---|---|
| Grease | 1 | EP2 grease (Zetor lists several; check your handbook). Aztec Oils match: VOLCATEC LITHIUM EP 2 | check your handbook |
Step-by-step
- Grease each point in the lubrication chart.
Tools: Grease gun
Fuel cleaner cartridge
Fuel · every 600 hours
The chart gives the fuel cleaner cartridge at 70 hours and then every 600 hours.
| Part | Qty | Notes | Part number |
|---|---|---|---|
| Fuel cleaner cartridge | 1 | Genuine number per Sparex S.68645 (3321, 3341, 5341, 6321, 6341, 7321, 7341) and Partao. Sparex also quotes 00931273. | 931273 |
Step-by-step
- Change the cartridge and bleed the system.
Tools: Container
Transmission oil cleaner cartridge
Transmission · every 600 hours
Hydraulic pump suction cleaner cartridge: chart marks at 10 and 200 hours, then every 600 hours.
| Part | Qty | Notes | Part number |
|---|---|---|---|
| Suction cleaner cartridge | 1 | Check your handbook or dealer for the number | check your handbook |
Step-by-step
- Change the cartridge.
Tools: Drain tray
Valve clearance check
Engine · every 1,200 hours
First at 70 hours (with the cylinder head nut retorque), then every 1,200 hours as read from the chart.
Step-by-step
- Check and adjust the valve clearance.
Tools: Feeler gauges, Torque wrench
Transmission, differential and portal oil change
Transmission · every 1,200 hours
The chart marks the oil exchange from 1,200 hours, then each 1,200 hours; level checks every 600 hours. Capacity about 62 to 64 L, plus 2 L on 4WD and 7 L more for hilly work or outside hydraulics.
| Part | Qty | Notes | Part number |
|---|---|---|---|
| Transmission oil | 1 | UTTO tractor transmission oil (Shell Donax TT, Aral Fluid HGS or similar API GL-4 per Zetor's table). 62 to 64 L; +2 L for 4WD. Aztec Oils match: AGRITEC UTTO | check your handbook |
Step-by-step
- Drain the housings through the drain openings.
- Refill and check the level.
Tools: Drain tray (80 L)
Hydrostatic steering oil and cartridge
Axles · every 1,200 hours
Oil and cleaner cartridge every 1,200 hours. 2.2 L (3321, 3341) or 2.5 L (others).
| Part | Qty | Notes | Part number |
|---|---|---|---|
| Hydrostatic steering oil | 1 | HLP 32 hydraulic oil (Aral Vitam HF 32 or Shell Donax TA). 2.2 or 2.5 L | check your handbook |
| Steering cleaner cartridge | 1 | Check your handbook or dealer for the number | check your handbook |
Step-by-step
- Change oil and cartridge, then bleed the system.
Tools: Drain tray
Front PTO oil change (if fitted)
Transmission · every 1,200 hours
Level check every 200 hours; exchange every 1,200 hours. 0.8 L.
| Part | Qty | Notes | Part number |
|---|---|---|---|
| Front PTO oil | 1 | 80W gear oil (Paramo PP 80, API GL-4). 0.8 L | check your handbook |
Step-by-step
- Drain and refill.
Tools: Drain tray
Coolant change
Cooling · every 1,200 hours
The chart gives 1,200 hours and every 1,200 hours. Coolant: Fridex-Stabil or Fridiol 91 with demineralised water, 9.5 to 11.6 L depending on model and heater.
| Part | Qty | Notes | Part number |
|---|---|---|---|
| Coolant | 1 | Fridex-Stabil or Fridiol 91 mixed with demineralised water. 9.5 to 11.6 L | check your handbook |
Step-by-step
- Drain, flush and refill.
Tools: Drain tray (15 L)
Oils, fluids and capacities
| System | Oil or spec | Capacity |
|---|---|---|
| Engine | Zetor diesel (the handbook has separate lubrication drawings for Z 5202, Z 6202 to Z 7702 and Z 7302 engines) | |
| Engine oil | 15W-40 or 10W-30, API CE to CF-4 / SG | 9.0 L (3321, 3341); 12.0 L (4321 to 7341) |
| Coolant | Fridex-Stabil or Fridiol 91 with demineralised water; 9.5 L (3321/3341) or 10.6 L (others), about 1 L more with heater | |
| Transmission, differential, portals | UTTO / API GL-4 (Zetor table 4) | 62 to 64 L; +2 L on 4WD; +7 L for hilly work |
| Front axle housing | API GL-5 / MIL-L-2105D | 5.5 L |
| Front axle planet gears | API GL-5 / MIL-L-2105D | 2 x 0.6 L (2 x 1.7 L with brakes, Agip Rotra Multi THT) |
| Bull gear housing | PP 80 | 2 x 1.9 L |
| Front PTO | 80W GL-4 | 0.8 L |
| Hydrostatic steering | HLP 32 (Aral Vitam HF 32, Shell Donax TA) | 2.2 L (3321/3341), 2.5 L (others) |
| Brake fluid | HD 205 | 0.5 L |
| Fuel | Diesel | 120 L |
Specifications
| Power | 3321 33 kW, 4321 44 kW, 5321 47 kW, 6321 51 kW, 7321 58 kW |
Known problems
Intervals read from a chart
The chart is an X grid; the intervals were read from column marks. Check them against your book.
Parts list with genuine part numbers
Dealer listings naming this model plus the maker numbers in the site service schedule; check serial range
Fuel
| Part | Part number | Qty | Notes |
|---|---|---|---|
| Fuel cleaner cartridge | 931273 | 1 | Genuine number per Sparex S.68645 (3321, 3341, 5341, 6321, 6341, 7321, 7341) and Partao. Sparex also quotes 00931273. |
Transmission and hydraulics
| Part | Part number | Qty | Notes |
|---|---|---|---|
| Hydraulic filter | 53420903 | 1 | Listing names 4321 to 7341: number per FridayParts listing title naming this model |
Sources
- Fuel cartridge 931273
- Sparex S.68645 via search listing
- Zetor 3321 Super operator's manual: planned maintenance chart (viewer pp107-110), liquids and quantities (pp119-122)
- FridayParts hydraulic filter 53420903
More from Zetor.