Description

Zetor 8111, 8145, 9111, 9145, 10111 Parts Catalog

If you have spent an afternoon tearing down a Zetor engine only to realize the bearing you pulled off the shelf has the wrong inside diameter, you already know the cost of guessing. This Zetor 8111, 8145, 9111, 9145, 10111 Parts Catalog is the factory document that stops that waste. 723 pages of OEM part numbers, exploded diagrams, and group indexes—not a reprint or a scan of a third-party copy. You look up the part, you read the number, you order the right piece the first time. That is the point.

Crankcase and Base Group: Where to Find Block Part Numbers

Group 002 in this catalog covers the crankcase and base. You get the part number for the block itself, the main bearing caps, the rear oil seal carrier. The diagram shows exactly how the bolts go in and which shims belong where. Want the part for the oil pan gasket? The illustration lines up with the Zetor 8111 and 8145 models. Page references are listed in the index. You do not need to flip through 700 pages blind—the group structure (002 through 028) tells you exactly which section covers your assembly.

Fuel Supply System: Group 009 Breakdown

Group 009 is the fuel supply section. Injection pump components, filter heads, fuel lines, and the governor linkage. For the Zetor 9145 and 10111, the injection pump part numbers differ from the 8111. This catalog splits them by model code within the same group. You see the drawing, find the callout, and read the matching part number. It also lists the Zetor factory superseded numbers if the original part was updated. If you are dealing with a fuel leak on a 9111, you trace the line from the tank to the pump on page [DATA NEEDED]—the diagram is dimensioned, so you can confirm the hose length before you cut.

Gearbox and Power Take-Off: Groups 120–130

Groups 120 through 130 cover the gearbox, dependent PTO, and creep gear reducer. The Zetor 8145 and 9145 share a common gearbox housing but differ in the internal shaft sets. This catalog shows the exploded view for each variant. You get the part numbers for synchro rings, shift forks, bearings, and seals. The trick with older Zetor gearboxes is that the input shaft bearing changed after a certain serial number—this catalog lists the break point. No guesswork. You either match your tractor’s serial to the right clutch housing part number, or you end up with a shaft that does not slide home.

Cooling System and Water Pump: Groups 013–017

Groups 013 (engine cooling), 016 (oil cooling), 017 (water pump), and 018 (centrifugal oil cleaner) are all here. The water pump for the Zetor 10111 uses a different impeller than the 8111. The catalog gives you the part numbers for the pump body, the shaft, and the seal kit. If you are replacing a thermostat, the diagram shows the bypass hose routing. You also get the fan blade part number—right down to the bolt circle diameter. For a home garage guy in Texas trying to keep a vintage Zetor running through the summer, having the exact cooling parts list saves a weekend of returning wrong parts to the supply house.

Source Authenticity: OEM vs Aftermarket Catalogs

This is the Zetor factory parts catalog, not an aftermarket compilation. I have seen aftermarket parts books mislabel a piston pin for a Zetor 9111 as interchangeable with the 10111—they are not. The factory catalog uses the original Zetor part numbering system, and it includes all the model-specific callouts. Aftermarket books often re-use generic illustrations that do not show the updated clutch release bearing from the 1980s production change. If you want to know which bracket fits the 8145 fuel filter head, you use the factory book or you risk drilling holes in the wrong place. There is a reason OEM documentation costs more—because it is right. You can cross-reference part numbers with Automotive Industry Overview standards if you need background on numbering systems, but the actual part data comes from Zetor. Related manuals you might need alongside this catalog: Zetor Super Parts Catalog – OEM 102-Page Tractor Parts Breakdown for the Super series, and Zetor 5711-6711 Parts Catalog 1976 | OEM Factory Manual if you are working on earlier models. The Zetor 2023 Parts Catalog – OEM Factory Parts Manual covers the latest production. Automotive Industry Overview is a good resource for understanding general parts numbering conventions.

Who This Catalog Is For

You own a Zetor 8111, 8145, 9111, 9145, or 10111. You are either restoring it or keeping it running. You need to identify a part you cannot read the number on—maybe the tag rusted off. This catalog gives you the exploded view and the part number. You do not need to know the engineering behind the design; you just need to know which gasket goes on the injection pump. That is the audience: the person who has the tractor up on blocks and wants to call the dealer with a correct number. Beginners can use it by matching the drawing to what they see on the bench. Professionals use it to cross-check supersessions. Either way, the catalog is the same 723 pages of factory data.

What This Catalog Does Not Cover

This is a parts catalog, not a service manual. It does not list torque specifications, repair procedures, or troubleshooting steps. If you need the cylinder head bolt torque for the Zetor 9145, you need the separate service manual. The parts catalog tells you the part number for the bolt itself, not how tight to turn it. Do not confuse the two. If you try to rebuild a transmission using only the parts catalog, you will miss the clearance measurements and the shim selection procedure. That is why you see separate product listings for service manuals on this site. Use them together.

Does this catalog include torque specifications for the Zetor 8111?

It does not. This is a parts catalog, so it lists part numbers and exploded views only. You need the Zetor service manual for torque values.

Can I use this catalog for a Zetor 7011 or 7045?

This catalog covers 8111, 8145, 9111, 9145, and 10111 models only. The part numbers for earlier models like the 7011 are different. Look for the specific Zetor parts catalog for that series—the 5711-6711 manual linked above covers some earlier chassis but not the 7011. Always match the model to the catalog.

Is the manual in English?

The catalog is multilingual. The group headers appear in Czech, German, English, French, Spanish, and Italian. The part descriptions are listed in several languages including English. You will find the part number column clear and the diagrams use standard callout numbers, so language is not a barrier for identifying components.

What is the difference between a parts catalog and a service manual—which one should I buy first?

Buy the service manual if your tractor is running and you need to fix a specific problem—overheating, no start, gear pop-out. Buy the parts catalog if you are doing a full restoration or ordering many parts at once. The service manual gives you procedures and specs; the parts catalog gives you the exact part numbers to order. Most shops keep both. If you only have one, start with the service manual because it includes some parts references, but you will still need the parts catalog to get correct numbers for fasteners and seals that are not listed in the service manual’s limited tables.

You have the tractor. You have the tools. Now get the part numbers right. Access the factory manual and keep it on your bench—open to the group you are working on. One order, one delivery, one correct part. That is how a repair stays on schedule.