Description

Genie Gyro-4020, Gyro-4518 2010 Parts Catalog

Parts catalogs don’t get the same attention as repair manuals in a shop. That’s a mistake. When a customer brings in a Gyro-4020 with a blown hydraulic line and the part number’s worn off the fitting, you need the factory breakdown. Not a diagram from some third-party site that shows the wrong filter head. This Genie Gyro-4020, Gyro-4518 2010 Parts Catalog is the one Genie published in April 2010. It covers serial numbers 12888 to 18910 for the 4020 and 12508 to 19125 for the 4518. That matters because Genie changed components mid-run. Order a pump for a 4020 at SN 15000 and one at SN 18000 and you might get a bolt pattern that doesn’t line up. This catalog kills that guesswork.

Serial Number Range: Identifying Your Machine

Page 3 of the catalog shows exactly how to read the chassis serial number. The data plate location is called out: front right side of the chassis member. The manual breaks down the serial number format: model, engine type, year of manufacture, and the sequential number. If you’re trying to order a steering cylinder for a Gyro-4518, you need to confirm SN 12508 to 19125 applies. The catalog also includes the machine data plate info and how to read the engine serial number. Skip this step and you’re gambling on parts fitment. I’ve seen techs order a $900 axle because they assumed all 4518s shared the same housing. They didn’t.

172 Pages of OEM Part Numbers

This is a 172-page Parts Catalog. That’s 172 pages of exploded views, part callouts, and Genie factory numbers. Not reprints from somebody’s scan of a scan. The PDF bookmarks link directly to each figure – you click a figure link in the table of contents and it jumps you to that page. That matters when you’re under a deadline and the machine is down. The catalog covers the Gyro-4020 and Gyro-4518 across those serial ranges. Each figure shows the assembly and calls out every part with a reference number and the OEM part number. No vague descriptions like “seal kit” without telling you which one. The catalog lists revision D, April 2010, so you know it’s the current revision at time of publication.

How to Use This Parts Catalog for Repairs

If you’re rebuilding a tilt cylinder, you need the exact seal part numbers. The catalog gives you the figure for the cylinder assembly, lists every o-ring, wiper, and backup ring. You cross-reference those numbers with your supplier and order once. I’ve watched guys order a “cylinder repair kit” off Amazon for a Gyro-4020 and get a bag of mismatched seals because the kit was universal. The OEM catalog kills that waste. Also, the catalog includes the Genie technical publications contact info on page 2 if you need to verify supersessions or errors. Genie’s policy states they improve products continuously, so part numbers can change. Having the original catalog gives you a baseline to check against current bulletins.

Aftermarket vs. OEM: Why This Catalog Wins

Aftermarket parts catalogs that claim to cover Genie equipment often use generic diagrams. They’ll show a hydraulic pump that looks right but has the wrong port orientation. I’ve had a customer bring in a Gyro-4518 with a brand-new aftermarket pump that didn’t clear the frame. The parts catalog from Genie shows the exact mounting configuration and port locations. You can verify before you order. This is not a generic “parts manual” – it’s Genie’s own documentation, with their part numbers, their revision history, and their serial number cutoff points. If you’re working on a machine that falls in the serial number range listed on page 1, this is the only parts catalog you should trust.

Avoid Aftermarket Guessing with OEM Documentation

When you order a part based on a third-party catalog and it arrives wrong, you eat the return shipping and the downtime. The factory catalog costs a fraction of one wrong part. It’s insurance. For reference, check out the Genie Gyro-4020 Gyro-4518 2010 Parts Catalog – OEM Factory Manual if you need the exact one for these models. For similar machines, the Genie S-60, S-65 2012 Parts Catalog – Factory OEM Manual and Genie S-80, S-85 2012 Parts Catalog – OEM Factory Parts Manual are built the same way – factory exploded views with part numbers.

For a broader look at how manufacturers handle parts documentation, the Automotive Industry Overview explains the standards for OEM documentation. The Automotive Industry Overview page also covers how manufacturers like Genie (a Terex brand) maintain part specification accuracy across model years.

Does this catalog include torque specs?

No. This is a parts catalog – it lists part numbers and assembly figures, not repair torque values. You need the separate service manual for torque specs.

How do I know if my Gyro-4020 falls in the covered serial number range?

Locate the chassis serial number on the front right side of the chassis member. Compare it to the range listed on page 1: Gyro-4020 from SN 12888 to 18910. If your machine falls outside that range, you’ll need a later revision parts catalog. The catalog also shows how to read the full serial number tag including engine type and year of manufacture. That info is on page 3. If you’re still unsure, check the machine data plate on the right side of the cab (or front right chassis for export models). Match the serial number exactly. Even one digit off can mean a different hydraulic pump or control valve configuration. I’ve seen machines with serial numbers that overlap revisions, so verify against the actual plate, not just a sticker.

If you need to identify parts for a Gyro-4020 or Gyro-4518 without wasting time on wrong orders, this is the catalog to use. Access the Factory Manual now and keep it on your tablet or printed in the shop.