High Pressure Hydraulic Hose Crimping Tool: 6 Models for 4″ Hoses

Oil rig hydraulic system maintenance equipment

A high pressure hydraulic hose crimping tool isn’t optional when you’re working with 4″ spiral hoses at 6,000 PSI. Standard workshop crimpers max out at 2″ — anything bigger and you need industrial-grade force, precision dies, and CNC-controlled pressure that hits the same spec every single time.

We’re looking at six TRC models that handle the heavy end of the spectrum. Here’s how they stack up.

High pressure hydraulic hose crimping tool used during pipeline hydraulic pressure testing

When You Need a Heavy-Duty Crimper

Not every operation needs a 500-ton crimper. But if you work in mining, oil & gas, shipbuilding, or heavy construction, standard bench crimpers hit a wall — usually around 2″ (51 mm) hose diameter.

High-pressure spiral hoses (4SH, 4SP, 6SP) are thicker, stiffer, and require more force to crimp properly. A fitting that’s even slightly under-crimped will blow off under pressure. The result? Hose failure, equipment damage, and in worst cases, injury.

A proper high pressure hydraulic hose crimping tool delivers enough force to compress the fitting uniformly around the hose, creating a metal-to-rubber bond rated for the full working pressure.

6 Industrial Models — Specs at a Glance

Model Force (TON) Crimping Range Type Best Application
P120 137 10–63 mm Semi-auto bench Workshop production, hoses up to 2″
P120C 200 6–85 mm Open C-frame Pre-assembled hoses, bent tubes
TRC-120L 245 6–118 mm Long frame CNC Large bore, production volume
P140 320 6–140 mm CNC production Up to 4″ hoses, high-volume shop
P165 500 6–202 mm Heavy industrial 6″ hoses, mining & marine
P175 830 Up to 600 mm Flagship Custom industrial, largest bores

P120 — The Workshop Workhorse

137 tons of force in a bench-mounted package. The P120 handles hoses from 10 to 63 mm — that’s up to 2″ in practice, covering the most common industrial sizes.

It runs semi-automatically: you set the die and position, hit the pedal, and the machine controls the crimp cycle. Operators can produce consistent crimps with minimal training.

If you’re a hose assembly shop doing 50–100 hoses a day in the 3/4″ to 2″ range, this is your base model. It’s also the most affordable entry point in the high-pressure lineup.

P120C — The Open-Frame Advantage

The P120C uses an open C-frame design. Why does that matter? You can slide in pre-assembled hoses with fittings already attached — no threading the hose through a closed die head.

This sounds like a small thing until you’re crimping a 3-meter hose with a 90° elbow on each end. A closed-frame crimper can’t accept it. The P120C’s open frame handles it in one pass.

Force is 200 tons, range is 6–85 mm. It’s also useful for bent pipe applications where the hose assembly has a fixed shape that won’t fit through a standard crimper opening.

Mining bulldozer hydraulic maintenance requiring high pressure hydraulic hose crimping tool

TRC-120L — Long Frame for Big Hoses

The 120L stretches the crimping range to 118 mm (about 4.6″). At 245 tons, it’s got the force to handle 4SP and 4SH spiral hoses that smaller models can’t touch.

The long frame design accommodates deeper die sets, which means better grip on large-diameter fittings. CNC control ensures the crimp profile stays within spec — important when you’re certifying hoses for 5,000+ PSI service.

Mining operations running hydraulic shovels and large excavators (100+ ton class) should start here.

P140 — The 4″ Sweet Spot

The P140 hits the sweet spot for most heavy industrial operations. 320 tons of CNC-controlled force. Crimping range up to 140 mm — that’s 4″ hoses, which covers 90% of mining, marine, and oilfield applications.

CNC control means you program the crimp specification (die size, hose type, fitting model) once, and every subsequent crimp is identical. For ISO-certified shops, this traceability is non-negotiable.

The P140 also stores crimp data. Each crimp generates a record — force curve, completion time, die position. That data becomes your quality assurance paper trail.

P165 — When 4″ Isn’t Enough

500 tons. 6–202 mm crimping range. The P165 exists for operations that run 5″ and 6″ hoses — think large mining hydraulic systems, dredging equipment, and marine propulsion hydraulics.

This isn’t a bench tool. It needs a dedicated foundation and 3-phase power. But if you’re crimping 6″ spiral hose assemblies, there’s no shortcut — you need this kind of force.

Shipbuilders and offshore platform operators are the primary buyers here.

Industrial workshop hydraulic press for high pressure hydraulic hose crimping tool production

P175 — The Flagship

830 tons. Up to 600 mm. The P175 is the largest crimper TRC builds — and one of the largest in the industry.

Most operations will never need it. But for custom hose assemblies on tunnel boring machines, massive mining excavators, or specialized industrial equipment, the P175 is the only option that gets the job done.

It runs full CNC with programmable crimp profiles, automatic die positioning, and integrated data logging. If a hose assembly fails in the field, you can pull the crimp record and see exactly what happened during production.

How to Choose a High Pressure Hydraulic Hose Crimping Tool

Three questions to answer before you buy:

  • What’s the largest hose you’ll ever crimp? Buy for your maximum, not your average. Under-sizing the crimper is the most common (and expensive) mistake.
  • What’s your daily volume? Low volume (under 20/day): semi-auto models are fine. High volume (50+/day): CNC models pay for themselves in consistency and speed.
  • Do you need pre-assembled hose access? If you crimp hoses with fittings already attached, the open-frame P120C is your only option in this range.

And don’t forget die sets. Each hose-fitting combination requires a specific die. Factor in $200–$600 per die set when budgeting.

Safety and Quality Checks

Every crimp — not some, every single one — should be verified. Here’s the checklist:

  • Visual inspection: No cracks, gaps, or visible deformation in the fitting
  • Dimensional check: Measure crimped diameter with calipers; compare to the die specification chart
  • Pressure test: Test to 2× working pressure before putting the assembly in service

A high pressure hydraulic hose crimping tool is only as good as the operator running it. Training matters more than tonnage.

Bottom Line

For most heavy industrial operations, the P140 is the right call — enough force and range for 4″ hoses, CNC precision for repeatable results, and a price point that makes sense for production shops. If your hoses go bigger than 4″, step up to the P165. Save the P175 for the extreme cases.

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