Description

Hyster R45-27IH, RS45-30CH, RS46-30IH, RS46-33CH, RS46-33IH 2003 Parts Catalog

I’ve seen too many guys in the shop waste an hour flipping through aftermarket parts catalogs that have part numbers that don’t match, figures that are reversed, and index pages that skip. That doesn’t happen with this Hyster R45-27IH, RS45-30CH, RS46-30IH, RS46-33CH, RS46-33IH 2003 Parts Catalog. This is the factory-issued document — 740 pages of exploded diagrams, OEM part numbers, and cross-references that Hyster stamped their name on. Page 1 tells you right away: this is a customer edition, unit code A222, dated 04/2003. If you need the exact part for a tipping cylinder or a turbocharger line, you don’t guess. You open the book.

Frame and Cab: Tipping Cylinder and Sliding Cylinder

First major section in this catalog covers the frame — hoods, covers, sound dampening, and the whole cab arrangement. The Cylinder parts show up early: TIPPING CYLINDER (Figure 1-9) and SLIDING CYLINDER (Figures 1-10 and 1-11). If a reachstacker’s cab tilt is drifting or the sliding mechanism binds, you need the right seals and pistons. Aftermarket catalogs lump cylinder parts together. This Hyster catalog breaks them out by figure, lists every O-ring, bushing, and piston separately. You can trace the part number from the exploded view right to the ordering desk without calling a dealer to “confirm.” Page 5 in the table of contents shows the frame section starts with Figure 1-1 and runs through Figure 1-25. That’s 25 figures just for the frame and operator compartment. No other source gives you that level of granularity.

Engine Assembly and Turbocharger Coverage

Section 2 is the engine, and it’s thick — over 60 figures from ENGINE ASSEMBLY (Figure 2-1) all the way to EXHAUST (Figure 2-63). You get oil pan, drive pulley, flywheel, water pump, turbocharger plumbing, and the air intake manifold. For a Tier I or Tier II engine, the catalog separates parts like AIR FILTER and AIR INTAKE CONNECTION by serial number breaks (S/N A222E-01536X and later). That matters because a 2003 Hyster with an early serial might use a different filter head than a later build. The aftermarket catalogs don’t catch those serial number splits. This one does. Need a turbocharger gasket set? Look at Figures 2-25 and 2-26. Need the oil cooler head? Figures 2-18 and 2-19. Every cooling line and wiring accessory is in there. Related manuals like the Hyster RS45-30CH, RS46-30IH, RS46-33CH, RS46-33IH, RS45-27IH 2000 Service Manual give you procedure; this gives you the parts.

Does This Parts Catalog Cover the Fuel System?

It does, and better than any aftermarket copy I’ve seen. Section 3 covers the fuel system — throttle and brake arrangement (Figures 3-1 through 3-4), throttle pedal (3-5), electronic foot pedal mount (3-6), and the throttle pedal assembly (3-7). That’s seven figures. For the R45-27IH and RS46-33CH, the pedal linkage and mount brackets are specific to the reachstacker frame. You won’t find a generic “throttle pedal” that bolts on. The catalog lists the exact Hyster part number. Plus the fuel tank and platform are in the frame section (Figures 1-19 to 1-22) with fuel system components. If you’re chasing a fuel leak or replacing the tank, you get the part numbers for the sender, straps, and filler neck all in one place. I’ve had to order wrong fuel tank straps before because the aftermarket catalog used a generic length. Not this time.

4 Major Electrical System Sections

The electrical system in this catalog runs eight figures — wiper motor, instrument panel (3 figures), limitator panel and arrangement, light arrangement, control unit, spreader control box, control lever, and wire harness (Figures 4-12 to 4-17). For a reachstacker, the wire harness diagrams are gold. The harness sections are broken out by function: power distribution, controller communication, and spreader control. If you need a replacement harness for the RS46-30IH, you look at Figure 4-12 and get the Hyster P/N. Aftermarket catalogs often show one generic harness that covers a dozen models. That’s how you end up with a harness that’s six inches too short. This catalog’s electrical section is model-specific. For a broader view of the industry, you can reference Automotive Industry Overview — but for parts, stay with the factory book.

Use the Numerical Index for Quick Part Lookup

Section 14 is a numerical index that lists every part number in the entire catalog in ascending order, with the figure reference next to it. That’s the fastest way to find a part when you have the old one in your hand. The index runs from page 14-1 to the end of the 740 pages. If you’ve already got a service manual for procedure, pair it with Hyster RS45-27CH RS45-31CH RS46-36CH 2006 Service Manual | OEM Shop Manual for the later models, or Hyster H70XM H120XM 2005 Parts Catalog – 580 Pages OEM Factory for a different line. But for these 2003 reachstackers, this is the only parts catalog you need.

Why OEM Beats Aftermarket Parts Catalogs

I’ve used enough aftermarket parts catalogs to know they can get the basics right for a 1962 Ford tractor, but for modern industrial equipment like these Hyster reachstackers, they miss the serial number breaks, the mid-year changes, and the fasteners that are unique to a specific figure. This 2003 catalog is an original Hyster print — not a reprint, not a scan of a scan. The figures are crisp, the part numbers are typed, and the callouts are consistent. The Automotive Industry Overview on Wikipedia gives a general background, but when you’re under a machine with a leaking cylinder, you need the exact numbers. This catalog delivers.

Does this parts catalog include torque specifications?

No, this catalog does not contain torque specs. It is a parts catalog, not a service manual. For torque values, you need the corresponding service manual.

How do I find a part number for the sliding cylinder?

Open the catalog to Section 1 – Frame. Look for SLIDING CYLINDER listed in the table of contents on page 5. It appears as Figures 1-10 and 1-11. Flip to those figures. Each figure shows an exploded view of the cylinder assembly with all components labeled. The part numbers are listed in a table next to the figure, along with the quantity and description. The numerical index in Section 14 can also help if you have an existing part number and want to verify its location. Always cross-check the model and serial number suffix printed on the figure header — Hyster made running changes, and the catalog indicates which serial numbers apply to each figure.

You’re not going to find a cleaner, more accurate parts source for these reachstackers. I’ve torqued enough head bolts to know that when the factory stamp is on the book, you trust it. Access the Factory Manual from AutoRepairManuals and get the part numbers straight before you order anything.