- HM/HLP hydraulics
- Circulating systems & bearings
ISO VG 68
Anti-wear hydraulic oil for earthmoving machinery and agricultural tractors
ViscosityISO VG
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Hydraulic oil — DIN 51524
The German standard for mineral hydraulic fluids: HL (part 1), HLP (part 2) and HVLP (part 3).
DIN 51525 — HLPD hydraulic fluids
The German standard for HLPD hydraulic fluids: HLP with detergent-dispersant properties that carry water and dirt to the filter.
Parker Denison HF-0 — hydraulic fluid, most severe level
Most severe Denison hydraulic fluid level: wear tests on both vane and piston pumps, dry and with water.
Fives Cincinnati P-69 — ISO VG 68 hydraulic oil
Fives Cincinnati approval for machine tool fluids; hydraulic fluids with own wear, filterability and water separation tests, beyond DIN 51524-2.
| Property | Typical value | Method |
|---|---|---|
| Appearance | B. & C. | |
| Colour | L 1,5 | |
| Density 15°Cg/cm³ | 0,880 | ASTM D 4052 |
| Viscosity @ 100°CcSt | 9,1 | ASTM D 445 |
| Viscosity @ 40°CcSt | 68,4 | ASTM D 445 |
| Viscosity index | 102 | ASTM D 2270 |
| Flash point Cl. O. C.°C | 220 | ASTM D 92 |
| Pour point°C | -33 | ASTM D 97 |

Tutela Hydraulic AP 51 is an anti-wear hydraulic oil recommended for mobile equipment, earthmoving machines and the independent hydraulic system of agricultural tractors. Formulated at ISO VG 68, it provides reliable anti-wear protection for hydraulic pumps and components operating under normal to demanding mobile duty cycles, helping to keep systems clean and protected across varying operating temperatures. Typical properties include a density of 0.880 g/cm³ at 15°C, a kinematic viscosity of 68.4 cSt at 40°C and 9.1 cSt at 100°C, a viscosity index of 102, a flash point of 220°C and a pour point of -33°C. Tutela Hydraulic AP 51 meets ISO VG 68, DIN 51524, DIN 51525, Denison HF0/HF1/HF2 and Cincinnati Milacron P-69.
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