The Challenger 40774-B sheave is the direct replacement for the Challenger lift it came off of. This is the genuine Challenger part — same fit and same working specification as the one already on your lift. Ordering the Challenger sheave from us gets you the OEM piece that matches the lift, not an aftermarket knock-off that is close but not the same.

Specifications

• Part number: 40774-B
• Brand: Challenger
• Type: Genuine OEM sheave
• Fits: 4115

There is no cheaper insurance on a lift than fresh cable and sound sheaves. A cable set costs a fraction of a day's labor; a dropped vehicle costs the car, the downtime, and possibly somebody standing next to it. These parts hold real weight in the air. The moment a cable shows broken strands or a sheave won't turn true, the lift comes out of service until it's fixed — no exceptions worth making.

Lift cables don't have a fixed lifespan; they have an hours-and-conditions lifespan. A busy shop that cycles a two-post twenty times a day wears cable and sheaves far faster than a home garage that lifts once a week. Grit, road salt dragged in on frames, and a rough sheave groove all speed it up. Most sets that see daily commercial use start showing broken strands somewhere in the five-to-ten year window.

What lifts this sheave fits

This sheave fits the lift models below. Click a model to open its visual parts breakdown — the exploded drawing with every part numbered, so you can confirm this is the right part for your exact lift before you order.

• 4115 — see the exploded parts breakdown for this lift

Related parts for this lift

The parts below are commonly ordered alongside this one — cables, sheaves, seals, and hardware wear on similar schedules, and most repairs go faster when the whole set is done in one visit.

• Challenger 40774-S Sheave Spacer 3-Stack 3/8"
• Challenger 40774-T Sheave Spacer Top 1-1/4"
• Challenger 40774-X Sheave Spacer X-beam 7/8"

Replacing your sheave

Equalizer-cable work is as much adjustment as it is replacement — the cables only do their job when they're tensioned so both carriages rise and land together. Confirm the new cable length against the old, route it without twists, and dial in the adjusting nuts until the locks click in unison. Getting that equalization right is the whole point, and the complete walkthrough covers how to chase it down. Full step-by-step: how to replace car lift sheaves.

Find the right part for your lift

Landed here but not 100% sure it is your part? Grab the model and serial from the data plate and open our Challenger parts lookup for the visual breakdown — the manufacturer-style drawing with every item numbered so you can match yours exactly. Plate missing? our guide to finding your model number helps, and we identify lifts from photos every week if you would rather ask.

Signs a cable or sheave is worn out

On sheaves specifically, spin each one and feel for roughness or wobble on the pin. Sight down the groove for a step or a widened, polished channel where the cable has cut in. Check for cracks radiating from the bore and for a bushing that's walking out. A sheave that has grooved oversize will cord a brand-new cable within a season, so replace it while you're in there.

Parts commonly replaced at the same time

Smart move while the columns are open: replace the matched cables and inspect every sheave, swapping any that are grooved or chipped. Cables and sheaves are a system, and doing them together keeps the lift equalized and running true. We will build the complete set for your model so you finish the job in one pass.

Safety notes

Do not gamble on a tension part. If a cable shows broken strands, cording, or heavy rust, or a sheave has an oversized or chipped groove, the lift comes out of service until it is fixed. Replace in pairs, tension evenly, and cycle the lift several times with no vehicle on it to confirm the set is riding true.

Before you order

Before you order, measure the old cable end to end and count how many you need — most lifts use a matched set, and replacing one without the others just leaves you doing the job again. Have your lift's model and serial handy so we can confirm length and end fittings for your exact production run.

Not sure this fits? Here's how to check

Pull the number off your lift's model plate first — model and serial both. Manufacturers run mid-cycle revisions that keep the model name but change hardware, so two lifts with the same name on the column can take different parts. The serial is what removes the guesswork.

Second check: compare the old part against this listing before you order. Length, mounting pattern, and thread sizes tell most of the story. If anything doesn't line up, or if the old part is too worn or broken to measure, call us with photos — we work on these lifts every week and can usually confirm fit from a picture and the lift's serial faster than you can dig through a parts diagram.

Why buy your Challenger sheave from Auto Lift Services

We install, inspect, and repair Challenger lifts every week — the 40774-B is a part we handle in the shop, not a random SKU we drop-ship. The phone answers if you have a question mid-install — call 800-674-9302 — and every part ships genuine, no aftermarket substitution unless you ask for it.