Hyster H155 Tilt Cylinder Rebuild in Ames, Iowa
If your Hyster H155 forklift is nodding forward on every load or won’t hold a tilt angle without drifting, you’re probably looking at a Hyster H155 tilt cylinder rebuild sooner rather than later. We’ve had this exact machine on our bench more than once, and the story is usually the same — years of dirt and moisture working past a tired wiper seal until the rod starts scoring the bore. At that point a quick reseal turns into a real Hyster H155 tilt cylinder rebuild with machine work involved, not just parts swapping.
How We Do a Hyster H155 Tilt Cylinder Rebuild
Every Hyster H155 tilt cylinder rebuild we take on starts the same way: the cylinder comes off the machine and onto the bench where we can actually see what’s going on instead of guessing under the truck. From there it’s a straightforward sequence, but each step matters:
- Pull the cylinder and cap it so nothing drains hydraulic fluid all over the shop floor or your yard
- Break it down completely — rod, piston, gland, and both end caps
- Inspect the bore and rod for scoring, pitting, or chrome flaking — this is where we decide if it’s a reseal or something bigger
- Hone the bore if it’s salvageable, or flag it for sleeving/replacement if scoring is too deep
- Install new seals — head seal, piston seal, rod U-seals, and a wiper seal sized to spec, not a generic universal kit
- Reassemble, reinstall on the machine, and bleed the system so there’s no trapped air causing spongy or jerky tilt action
On the seal side, a typical Hyster H155 tilt cylinder rebuild calls for a head seal around 3 inches by 0.062 inches, a piston seal near 3 inches by 1.062 inches, U-seals in the 1-1/8 by 1-3/8 range, and a wiper seal sized about 1-1/2 by 3 inches. Getting those dimensions right the first time is half the job — order the wrong wiper seal and you’re back on the bench in six months chasing a new leak.
Common Tilt Cylinder Failures on the H155
Most of the tilt cylinder problems we see on the H155 boil down to a handful of patterns:
- Rod scoring from a failed wiper seal — dirt gets past the wiper, works into the bore, and scratches the rod every time it strokes. This is the single biggest driver behind a Hyster H155 tilt cylinder rebuild instead of a simple reseal.
- Slow tilt drift under load — usually a worn piston seal letting fluid bypass internally. The cylinder still moves, it just doesn’t hold position.
- Visible leaking at the rod end — the classic sign the wiper and rod seal have both given up, and fluid is weeping past on every cycle.
- The other cylinder failing soon after — we see this often enough to mention it every time: if one tilt cylinder scored from age and grit, the matching cylinder on the other side has usually seen the same miles and same contamination. Don’t be surprised if it starts leaking within a few months of the first rebuild.
Catching the wiper seal failure early, before the rod scores, is the difference between a $250-ish reseal and a full rebuild with bore honing or rod replacement. If you’ve got a lift truck that’s starting to drift or weep, it’s worth getting it looked at before it turns into a bigger bill.
How Much Does a Hyster H155 Tilt Cylinder Rebuild Cost
Pricing depends on how far the damage has gone, but here’s roughly what we see on this model:
- Straightforward reseal with a good bore (no scoring) — typically $250 to $450 in parts and labor
- Full rebuild with honing and new seal kit — usually $450 to $700
- If the bore is scored too deep to hone and the cylinder needs to be replaced outright — add roughly $300 to $800 depending on availability, since a new Hyster tilt cylinder isn’t a cheap part
- Shop mileage if we come to you within about 40 miles of Ames, no trailer needed for most lift trucks
We always tell folks up front: if a Hyster H155 tilt cylinder rebuild doesn’t hold seal because the bore was too far gone to begin with, that’s when you’re looking at cylinder replacement instead of repair — and we’ll flag that before we start, not after we’ve already got parts on order. For a broader breakdown of what drives cylinder rebuild pricing across different equipment, our hydraulic cylinder rebuild cost guide covers the general cost factors we run into shop-wide.
We handle this kind of work whether the H155 is running at a warehouse, a construction yard, or on a farm. If you’re outside Ames proper, we’ve done plenty of hydraulic cylinder repair work near Winterset and other spots around central Iowa, and we cover most of the state through our Iowa hydraulic cylinder rebuild service area. Tilt cylinders on a forklift aren’t all that different from what we see on excavators and skid steers — same seals, same scoring problems, just a different frame around them.
If your H155 is tilting slow, drifting under a load, or leaking at the rod, don’t wait for it to get worse. Call us at 515-292-2599 and tell us what you’re seeing — a slow drift, a weep at the rod seal, or a cylinder that already blew out. We’ll get you scheduled for a Hyster H155 tilt cylinder rebuild and have you back on the floor without a month-long wait for a new cylinder.
Frequently Asked Questions
How long does a Hyster H155 tilt cylinder rebuild take?
Most tilt cylinder rebuilds on the H155 take one to two days once the cylinder is on our bench, depending on whether the bore needs honing or we’re waiting on a specific seal size. If the forklift can stay at your location, we can often turn the cylinder around and bring it back the next day.
Can you rebuild the cylinder without replacing it?
Usually, yes. Most tilt cylinders we see can be resealed and the bore honed if the scoring isn’t too deep. We only recommend full replacement when the rod or bore is too damaged to hold a new seal reliably.
Why did my other tilt cylinder start leaking after you fixed the first one?
It’s common — both cylinders usually see the same years of dirt and moisture, so if one wiper seal failed, the other is often close behind. We flag this possibility every time we do a Hyster H155 tilt cylinder rebuild so you’re not caught off guard.
Do you come to our yard or do we bring the forklift in?
Either works. We can pull and rebuild the cylinder at your location within about 40 miles of Ames with no trailer needed, or you can bring the H155 to our shop at 210 Freel Dr.
What does a tilt cylinder rebuild cost on an H155?
A basic reseal typically runs $250 to $450, a full rebuild with bore honing is usually $450 to $700, and full cylinder replacement adds another $300 to $800 depending on part availability. Call 515-292-2599 and we’ll give you a real number once we’ve looked at it.
Written by Josiah Ragsdale, Ames Hydraulics