- Brakes (DOT)
CUNA NC 956-01
Glycol-ether DOT 4 brake fluid for trucks and commercial vehicles
Business customers only. We sell wholesale, invoiced to registered companies.
FMVSS 116 DOT 4 — brake fluid
The US federal safety regulation defining the DOT brake fluid levels. DOT 4 demands a high boiling point both dry and after water uptake.
IVECO 18-1820 — brake and clutch fluid
IVECO's standard for hydraulic brake and clutch-control fluid.
SAE J1703 — DOT 3 brake fluid
SAE standard for glycol brake fluids at DOT 3 level, defined by dry and wet boiling point.
SAE J1704 — DOT 4 brake fluid
SAE standard for DOT 4 brake fluids, with a higher boiling point than DOT 3, particularly once the fluid has taken up water.
Derived from the vehicle makers' approvals this product meets. Check the specification your vehicle's manual requires.
| Property | Typical value | Method |
|---|---|---|
| Appearance | CLEAR | |
| Colour | LIGHT YELLOW | |
| Density 15°Cg/cm³ | 1,065 | ASTM D 4052 |
| Viscosity @ 100°CcSt | 2 | ASTM D 445 |
| Viscosity @ -40°CcSt | 1300 | ASTM D 445 |
| Boiling point°C | 265 | ISO 4925 |
| Wet boiling point°C | 173 | ISO 4925 |
| EFFECT ON Rubber SBR | PASS | ISO 4925 |
| EFFECT ON Rubber EPDM | PASS | SAE J 1703 |
| EFFECT ON Rubber NATURAL | PASS | ISO 4925 |

PETRONAS Tutela Brake Fluid Truck DOT Special is a brake fluid based on glycol ethers and boric esters, formulated for special and heavy-duty applications such as trucks and commercial vehicles. It meets FMVSS 116 DOT 4, IVECO 18-1820 (contractual technical reference no. I002.F99), SAE J1703, SAE J1704, ISO 4925 Class 4, CUNA NC 956-01, FIAT 9.55597 and ENSAYOS INTA - UNE 26-109-88 specifications. Typical properties include a dry boiling point of 265°C and a wet boiling point of 173°C, with passing results on SBR, EPDM and natural rubber compatibility tests, reflecting the high thermal resistance and elastomer compatibility expected of a heavy-duty DOT 4 fluid.
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