Description

Manitou MLT 742, MT 1033 2003 Parts Catalog – 1046 Factory Pages

If you’re wrenching on a Manitou MLT 742, MT 1033 2003 Parts Catalog and you don’t have the factory breakdown in front of you, you’re guessing. Guessing gets you the wrong filter cartridge, the wrong alternator belt, or a fan belt that’s two millimeters off and throws your cooling system into a wobble. I’ve seen it. This is a 1046-page parts catalog, not a condensed aftermarket cheat sheet. It’s the same binder the dealer’s parts counter uses when they tell you “that part is superseded.”

Let me be clear – ordering parts for a Manitou MLT 742 or MT 1033 without this document is like torquing head bolts with a crescent wrench. You can do it, but you’ll be sorry. The catalog gives you exploded-view diagrams for every assembly: air filter cartridge (ref 4 AA 321), security air filter cartridge, alternator belt, fan belt, transmission oil filter, hydraulic return oil filter, engine oil filter, filling plug filter, heating filter, fuel filter, cyclonic prefilter. Each part is keyed to a numbered callout. You see the part, you see the number, you order it. No translation errors, no “I think this cross-references.”

1046 Pages – What You Actually Get

This isn’t a repair manual. It’s a parts catalog – OEM, factory-issued in 2003 for the Series 2 versions of the Manitou MLT 742 H LSU Turbo and MT 1033 H L Turbo. Every page is a straight scan of the original French/English/German/Spanish/Italian document (ref CD 547853). The catalog breaks down the machine into systems: engine, transmission, hydraulics, brakes, steering, loader frame, cab, electrical. Each system has multiple exploded diagrams with part numbers and quantities. Page 73? Not relevant here because this is a parts catalog – you don’t look up torque specs. You look up the exact part number for the alternator belt (courroie d’alternateur) or the hydraulic return oil filter cartridge. That’s what the 1046 pages are for.

Need the correct air filter cartridge? The exploded view on the OCR sample shows a BF Goodrich 400/80-24 tire alongside a Michelin 17.5 LR 24 option – same page. You see which part numbers match your machine’s serial number range. The catalog also includes supersession notes: IC 388 from 05/2003 (first edition) and IC 492 from 02/2007 (update). If you’re buying parts for a 2003 machine, use the later update.

Does This Manual Cover the Fuel System?

Yes. The catalog contains a dedicated section for the fuel system. You’ll find the cyclonic prefilter (préfiltre cyclonique), the fuel filter cartridge, and the filling plug filter. Each component is on its own sheet with a diagram and an item number. No text explanations – just the drawing and the table of parts. This is how you order the correct filter without pulling the old one and driving to three stores. If you want the part number for the fuel filter, you turn to the “FILTRE A COMBUSTIBLE” page. It’s that direct.

3 Reasons You Want OEM Over Aftermarket Parts Catalogs

1. Accuracy. Aftermarket catalogs often mash multiple models into one generic drawing. This catalog treats the MLT 742 and MT 1033 as separate machines – you see “SEULEMENT POUR” (only for) tags that tell you exactly which parts fit which machine. Example: the transmission oil filter differs between MLT 634 120 LSU PS S.B and MLT 630 120 LSU S.B. The aftermarket won’t show you that.
2. Supersession history. The catalog includes publication dates and updates. If your machine was built after 02/2007, you need IC 492. Without the catalog, you might order a part that’s been replaced by a newer number.
3. Part numbers cross international boundaries. The catalog lists part numbers in five languages. End users in North America get the English column, but you can verify the same number in French or German. That helps when you’re ordering from a salvage yard in Quebec or Germany.

MLT 742 vs MT 1033 – Which Pages Are Which?

The catalog is organized by machine series, not by page number. You look for your model in the header of each exploded view. For instance, page 5 of the OCR shows a diagram labeled “4 AA 321” with callouts for parts common to both the MLT 742 and MT 1033, and also separate callouts for the MLT 634, MLT 731, etc. The “SEULEMENT POUR” notations save you from ordering parts that don’t fit. If you own an MT 1033 H L Turbo, check the header for “MT 732 / 932 S.B” or similar – your machine’s specific parts are listed there. This is why you need the full catalog, not a one-page summary.

Parts Lists You’ll Use Most Often

Based on the OCR, here are the part categories you’ll reference repeatedly:

• Air filter cartridge and security cartridge (CARTOUCHE FILTRE A AIR / SICHERHEIT LUFTFILTEREINSATZ)
• Alternator belt (COURROIE D’ALTERNATEUR)
• Fan belt (COURROIE DE VENTILATEUR)
• Main circuit strainer (CREPINE DU CIRCUIT PRINCIPAL)
• Transmission oil filter
• Hydraulic return oil filter
• Engine oil filter
• Filling plug filter
• Heating filter
• Fuel filter and cyclonic prefilter

Each of these has its own page with a diagram. No guessing. No measuring by eye. You read the part number off the page.

FAQ – Four Questions I Get Asked

Can I use this catalog to find torque specs or repair procedures?

No. This is strictly a parts catalog. It does not contain service procedures, torque values, or diagnostics. For those, you need the corresponding service manual.

Will this catalog work for a 2005 Manitou MLT 742?

It covers the Series 2 production up to the 2007 update. If your machine’s serial number falls within the IC 492 update range, the parts are accurate. Check your serial number against the catalog’s index.

How do I know which part number is for my engine?

Each exploded view shows a “SEULEMENT POUR” line that lists the specific machine configurations. For example, the alternator belt diagram might be marked “SEULEMENT POUR MLT 630 / 731 Turbo S.B.” If your machine is an MLT 742, look for the section that says “MLT 742 H LSU Turbo.”

I see part number 4 AA 321. What does that mean?

That’s a reference to an exploded view group number. The actual part number is listed in the table next to each callout. The group number helps you find the diagram – it’s not the part you order. Turn to the group index in the front of the catalog to locate the page for 4 AA 321.

Related Manuals You Might Need

If you’re deep into a rebuild, pair this parts catalog with the corresponding service manual. Check these related products on AutoRepairManuals:

• Manitou MLT 735 741 742 Parts Catalog”>Manitou MLT 735 741 742 Parts Catalog – covers earlier models with some overlap.
• MANITOU MLT 735 MLT 741 MLT 742 Parts Catalog”>MANITOU MLT 735 MLT 741 MLT 742 Parts Catalog – another edition for comparison.
• K-D Manitou MVT 1230L MVT1230LC Parts Catalog – 264 Pages”>K-D Manitou MVT 1230L MVT1230LC Parts Catalog – 264 Pages – if you work on the larger telehandlers.

For background on the diesel engines used in these machines, read this Wikipedia article on diesel engines”>this Wikipedia article on diesel engines – it’ll explain the combustion principles that make those filters and belts so critical.

this Wikipedia article on diesel engines – the same link, if you prefer a direct anchor.

You need part numbers that match your machine. You need exploded views that show exactly where every hose clamp and seal goes. That’s what this 1046-page catalog gives you. Stop digging through cross-reference websites that sell you the wrong filter. Access the Factory Manual and get the right part the first time.