Our Ultra series of 4000 psi hydraulic cylinders is a combination of quality componentry coupled with clever design. The Ultra range comes in standard sizes, made to order. If you're unsure what cylinder will suit you best, contact our team for help.
A key factor in the development of our Ultra range was reliability for customers operating in harsh working environments. Our externally threaded cap design paired with a robust heavy-duty seal combination gives the Ultra exceptional strength.
Rated to a continuous operating pressure of 4000 psi and a safety rating of 3:1, the Motus Ultra represents outstanding performance and value for money. Try it for yourself and experience the Motus difference.
Ports are fully machined from solid bar for heavy duty durability.
Hydraulic cylinder tubing. Very high quality internal bore finish for maximum seal life and minimum leakage.
3D/U400 high grade close grain cast iron, designed tough to endure operating shock and loading.
1045 grade threaded cap for added rigidity and strength.
Available in 1045 grade hard chrome and 4140 calibre high tensile bar for increased strength and durability for more demanding applications.
11/2” – 31/2” bore 1040 steel 1 piece piston, internally threaded for high strength. 4” – 6” bore Steel two-piece piston with positive locking nut creating optimum strength.
Ultra-tough heavy duty category seals. Piston seals 5 piece heavy duty unit seal rated to 4000psi, including anti extrusion and wear rings. No metal to metal contact. Shaft seal Premium quality polyurethane pressure seal for long life usage. Wiper seal Heavy duty polyurethane wiper scraper. Outer head/gland seal Static sealing O-ring with contoured face back up ring.
ULTRA (Threaded Cap) Range – 4000 psi hydraulic cylinders
We developed ultra-threaded cap design cylinders to meet customer demand.
Our customers wanted:
The Ultra range provides continuous, reliable performance in environments like waste management and construction. They’re affordable and available with short lead times.
| Model | Cap (OD) | Cylinder Bore | Bore Options | Shaft Options |
|---|---|---|---|---|
| 2.5″ Ultra | 88.9mm |  | 2.5″ Bore, 1/4″ Wall • 1.25″ Shaft (Tube O.D 76.2mm) | • 1.25″ Shaft • 1.50″ Shaft |
| 3″ Ultra | 101.4mm |  | 3” Bore, 5/16” Wall (Tube O.D 92.06mm) | • X1.5″ Shaft • X1.75″ Shaft • X2″ Shaft |
| 3.5″ Ultra | 118mm |  | 3.5” Bore, 5/16” Wall (Tube O.D 104.76mm) | • X1.75″ Shaft • X2″ Shaft |
| 4″ Ultra | 132mm |  | 4” Bore, 5/16” Wall (Tube O.D 118mm) | • X2″ Shaft • X2.5″ Shaft |
| 5″ Ultra | 165mm |  | 5” Bore, 3/8” Wall (Tube O.D 146mm) | • X2.5″ Shaft • X3″ Shaft |
| 6″ Ultra | 202mm |  | 6” Bore, 3/8” Wall (Tube O.D 178mm) | • X3″ Shaft • X3.5″ Shaft • X4″ Shaft |
Bore, shaft, tube and port sizes for each cylinder in the series, from the Motus Cylinder Guide Book.
| Bore Options | Shaft Options | TC Tube OD | TC Cap OD | Bore Size [in] | Standard Base [A] | Spigot [B] | Standard Piston [C] | Head [D] | Shaft Exterior [E] | Standard Port Size |
|---|---|---|---|---|---|---|---|---|---|---|
| 2.5” BORE, 1/4” WALL (TUBE O.D 76.2MM) | 1.25” SHAFT 1.5” SHAFT | 76mm | 89mm | 63.5mm (2 1/2”) | 12mm | 3mm | 38mm | 51mm | 12mm | 3/8” F/M |
| 3” BORE, 5/16” WALL (TUBE O.D 92.06MxM) | X1.5” SHAFT X1.75” SHAFT X2” SHAFT | 92mm | 101.40mm | 76.2mm (3”) | 16mm | 3mm | 45mm | 64mm | 12mm | 3/8” F/M 1/2” F/M |
| 3.5” BORE, 5/16” WALL (TUBE O.D 104.76MM) | X1.75” SHAFT X2” SHAFT | 104mm | 118mm | 88.9mm (3 1/2”) | 16mm | 3mm | 45mm | 64mm | 12mm | 1/2” F/M |
| 4” BORE, 5/16” WALL (TUBE O.D 118MM) | X2” SHAFT X2.5” SHAFT | 118mm | 132mm | 101.6mm (4”) | 25mm | 3mm | 76mm | 64mm | 12mm | 1/2” F/M 3/4” F/M |
| 5” BORE, 3/8” WALL (TUBE O.D 146MM) | X2.5” SHAFT X3” SHAFT | 146mm | 165mm | 127mm (5”) | 25mm | 3mm | 100mm | 76mm | 20mm | 3/4” F/M |
| 6” BORE, 3/8” WALL (TUBE O.D 178MM) | X3” SHAFT X3.5” SHAFT X4” SHAFT | 178mm | 202mm | 152mm (6”) | 40mm | 8mm | 100mm | 76mm | 20mm | 3/4” F/M |
"The key for us is reliability and backup service, in which we have found Motus Hydraulics to be excellent."
Karl Chirnside
Kerfab Australia
"Logging the most remote forestry blocks means we fully rely on reliable cylinders and a super fast parts service – Motus delivers with excellence, every single time."
Paul Bennet
Bennet Logging Contractors Motus Partner since 2009
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