Description

Claas PROTECTOR, MERCATOR 50 Parts Catalog – 192 Pages of Factory Part Numbers

I’ve been a mechanic for 28 years. I’ve seen more wrong parts ordered from aftermarket catalogs than I can count. A farmer brings in a Claas PROTECTOR, MERCATOR 50 Parts Catalog from some third-party outfit and the bolt for the Halmteiler is the wrong grade. That’s how you get a header dropped on your foot. This 192-page PDF is the real deal – the original Claas spare parts list. It’s the same document the dealer uses to order parts. If you want to avoid ordering a part that doesn’t fit, you use this.

What This Parts Catalog Actually Covers

Every major assembly on the PROTECTOR and MERCATOR 50 combine harvesters is broken down into groups. The table of contents runs from dividers (Rozdzielacze – Halmteiler) through the cutter bar, main table auger, reel, corn conveyor, threshing drum, concave, beater, shakers, sieve box, main fan, grain and return elevators, grain tank, operator platform, main drive, travel drive, pivot axle, frame, engine cooling, steps, guards, hydraulic pump and control valve, all hydraulic cylinders and lines, three separate engine accessory sections (Ford 270 I E, Perkins 4/236, Mercedes OM 314), belt list, straw spreader, straw chopper, straw press, bagging unit, function monitor, and cab. That’s 156 drawing pages plus a part number index and belt chart. You get the exact Claas part number, quantity per group, and any special notes like “bis Nr. 57003898” – serial number breaks are included.

How the Parts List Is Organized

Each drawing (Bildtafel) shows an exploded view of the assembly. The parts table lists the item number, Claas part number, description, quantity, and remarks. For example, page 4 shows the long divider group – every cotter pin, adjusting tube, knebelschraube, and slide shoe is listed. You don’t guess. You look up the part number, call your dealer, and get the right piece. That’s the value of factory documentation.

Page 4 shows exactly what I’m talking about.

3 Engine Accessory Sections – Ford, Perkins, Mercedes

These combines came with different powerplants depending on the market and year. The catalog dedicates pages 79-85 to Ford 270 I E engine accessories, pages 86-92 to Perkins 4/236, and pages 92A-92H to Mercedes OM 314. Each section covers the specific alternator, starter, fuel system, cooling, and mounting hardware for that engine. If you swap engines or need a water pump for the Perkins, you find the part number here – not in a generic automotive book that ignores the combine-specific brackets and pulleys.

Why Factory Specs Matter for Hydraulic Components

Hydraulic systems are where aftermarket catalogs fall apart. They often list one cylinder part number for all models, when the PROTECTOR and MERCATOR 50 use different stroke lengths. This catalog breaks out the reel cylinder (siłownik nagarniacza, page 72), cutter bar cylinder (page 73/73A), and steering cylinder (page 74/74A/74B). It also covers the hydraulic pump (page 70), control valve (page 71/71A), and all the lines from pages 75 through 78A. When you’re rebuilding a steering cylinder and need the seal kit, you get the right Claas part number – not a guess.

Audience Fit: Who Needs This Manual?

If you own a Claas PROTECTOR or MERCATOR 50, you need this catalog to order parts. If you run a repair shop that works on older European combines, you need this to look up parts for customers. If you’re restoring a MERCATOR 50 for a show, you need the original part numbers to find NOS pieces. The manual is also useful for anyone cross-referencing parts when a dealer is closed and you need to match a bearing or seal. Real-world use: I had a farmer bring in a MERCATOR 50 last season because the reel drive was missing. We used this catalog, found the part number for the reel drive sprocket, and had it in two days. That’s the time it saves.

Source Validity: Original Claas Documentation

This is a direct scan of the official Claas spare parts list – the same one sold to dealers. It’s not a third-party reprint or a compilation from multiple sources. The file includes eight languages: German, English, French, Danish, Swedish, Dutch, Italian, Spanish, plus the original Polish table of contents. That multi-language layout is a dead giveaway that it’s a factory export catalog. If you’ve ever tried to use an aftermarket parts book that mixes up drawing numbers, you’ll appreciate the clarity of the original. This is the real thing.

Understanding why OEM parts catalogs matter is part of the Automotive Industry Overview. The same principle applies to agricultural equipment – factory specs prevent accidents. This approach is standard across the Automotive Industry Overview.

Does this parts catalog include torque specs or repair procedures?

No. This is a parts catalog, not a service manual. It lists part numbers and quantities only. You need a separate workshop manual for torque values and repair steps.

What languages are the part names and headings in?

The headings and part descriptions are in eight languages: German, English, French, Danish, Swedish, Dutch, Italian, Spanish. The table of contents uses Polish because the catalog was distributed by a Polish dealer. The drawing numbers and part numbers are universal. This lets you order parts anywhere in Europe or North America without language confusion.

Can I use this catalog to identify parts for a different Claas model?

Only if the part number cross-references. The drawing groups are specific to the PROTECTOR and MERCATOR 50. Some hardware like bolts and nuts may be common, but you cannot rely on this for other models. See the related Claas parts catalogs below for other machines.

Is this a physical book or a digital access?

Digital PDF format. You get the full 192-page file with bookmarks for each group.

Related Manuals

• Claas Columbus Parts Catalog – 82 Pages of OEM Part Numbers
• Claas M66 Parts Catalog – 107 Pages of OEM Part Numbers
• CLAAS Combine Harvester and Forager Parts Catalog

Stop guessing which part to order. Get the correct Claas part number the first time. Access the factory manual.