Tie Rod Hydraulic Cylinder 3000 PSI – Double Acting 2–5 Bore

HZPT 3000 PSI Tie-Rod Hydraulic Cylinder – Double Acting, 3.5"–5" Bore, Custom Stroke

Series: TR-3000PSI  |  Max Working Pressure: 3,000 PSI  |  Bore: 3.5", 4", 5"  |  Stroke: 4"–36"  |  Rod: Hard Chrome-Plated  |  Piston: ASTM A536 Ductile Iron

Tie Rod Hydraulic Cylinder 3000 PSI Product Overview

The HZPT TR-3000PSI is a double-acting tie rod hydraulic cylinder rated for continuous operation at 3,000 PSI. Available in 3.5", 4", and 5" bore sizes across stroke lengths from 4" to 36", this tie rod hydraulic cylinder covers the widest range of agricultural, construction, and industrial applications without compromising on material specification. Every bore-stroke combination is a stocked configuration — not a special order.

The cylinder body is built from a cold-drawn steel tube with a tighter bore tolerance than hot-rolled alternatives, which directly extends O-ring and wiper seal service intervals. The piston is machined from ASTM A536 Grade 65-45-12 ductile iron — 65,000 PSI tensile strength, 45,000 PSI yield, and 12% elongation before failure. That last number matters: gray cast iron fractures at under 1% elongation, meaning sudden impact loads can destroy it without warning. The ductile iron piston deforms visibly before it breaks.

The ground-polished, hard chrome-plated rod resists seal scoring and corrosion across outdoor and washdown environments. A 1" galvanized steel mounting pin, ductile iron inner clevis, and Grade 8 clamping nuts complete the assembly. Reinforced O-ring tube seals come installed. Select ASAE-designated models (suffix -ASAE) meet the American Society of Agricultural Engineers mounting standard for direct interchange on 8" and 16" stroke machines. Every unit ships with a 2-year parts warranty backed by stocked inventory.

Tie Rod Hydraulic Cylinder 3000 PSI

Tie Rod Hydraulic Cylinder 3000 PSI Technical Specifications – Full Model Range

All dimensions in inches. Column load calculated at minimum safety factor of 2, pin-to-pin mounting. NPT ports available on request.

* ASAE = American Society of Agricultural Engineers – industry mounting standard for 8" and 16" stroke cylinders.

3.5" Bore Models

4" Bore Models

5" Bore Models

* NPT ports available as an alternative to SAE. Column load is max pushing load at safety factor ≥ 2, pin-to-pin. * ASAE = American Society of Agricultural Engineers standard for 8" and 16" stroke interchange.

What Is a Tie Rod Hydraulic Cylinder — and When Do You Need 3,000 PSI?

A tie rod hydraulic cylinder converts fluid pressure into straight-line mechanical force. Four external steel rods clamp the end caps against the barrel, creating a fully rebuildable assembly — remove the tie rod nuts and the entire cylinder disassembles in the field without special tooling. This is the defining advantage over welded designs, which must be scrapped when seals fail.

The double-acting design of the TR-3000PSI means hydraulic fluid drives both the extend and retract strokes under power. This is essential wherever the return stroke must do work: closing a dump trailer, retracting a splitter wedge, or pulling a loader linkage back against load. Single-acting cylinders rely on gravity or a spring for return — acceptable only when the return stroke carries no load.

At 3,000 PSI, a 5" bore cylinder delivers 58,900 lbs of push force. A 3.5" bore at the same pressure delivers 28,800 lbs. These figures are calculated at rated pressure — the actual numbers you can use when sizing the cylinder against your application load, with no marketing inflation applied.

Where the TR-3000PSI Tie Rod Hydraulic Cylinder IGets Used

Tie Rod Hydraulic Cylinder 3000 PSI Installation Guide

Estimated time: 30–90 minutes depending on machine access. Fully depressurize the hydraulic circuit before starting. Eye protection required when handling hydraulic fittings.

1. Depressurize the system — Shut down the power unit. Cycle the control valve 4–5 times to release stored pressure from both cylinder ports. Confirm zero gauge pressure before touching any fittings.
2. Disconnect hydraulic hoses — Remove hoses from both ports. Cap every open port and hose end immediately. A single unprotected port exposed to dirt for 10 minutes can introduce contamination that scores the bore within 20 hours of operation.
3. Document the orientation — Photograph the cylinder's port orientation, pin alignment, and mounting position before removal. Most installation errors on replacement tie rod hydraulic cylinders trace back to incorrectly assumed orientations, not part defects.
4. Remove the old cylinder — Extract the 1" mounting pins from both clevis ends. Support the cylinder weight before pulling the last pin to avoid dropping it on hose connections below.
5. Check mounting hardware — Inspect the pin bores at both mount points. Wear beyond 0.010" over nominal diameter will introduce side loading on the new rod seal, cutting service life by 30–50%. Replace worn hardware before installing the new cylinder.
6. Install the HZPT cylinder — Align the cylinder axis with the centerline of the load. A 5° angular misalignment applies a continuous side load to the rod — enough to halve seal life on high-cycle applications. Insert the 1" galvanized pins and torque Grade 8 clamping nuts to 75–85 ft-lb.
7. Connect hydraulic hoses — Route the cap-end hose to the cap-end port, and the rod-end hose to the rod-end port. Reversing these on a double-acting cylinder causes uncontrolled cylinder motion when the system pressurizes. Torque SAE 8 fittings to 37–44 ft-lb.
8. Bleed and test at low pressure — Start the power unit at idle. Slowly extend and retract the cylinder through 3 full cycles to purge air. Check all fittings for seepage before increasing to operating pressure.
9. Full-pressure hold test — Bring the system to working pressure. Hold at full extension and full retraction for 30 seconds each. No drift, no rod seal weeping, no fitting leaks = ready for service.

Commonly Ordered With This Tie Rod Hydraulic Cylinder

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