KOYOTO TRACTOR OIL STOU 20W-40 series are extra high performance multipurpose tractor lubricants formulated from highly refined base stocks and advanced technology additive system, to meet or exceed transmission and hydraulic fluid requirements. These oils are engineered to deliver the varied lubricant performance properties required in severe duty applications of agricultural and construction equipment drive trains. Moreover it is particularly well suited for reducing wet brake and Power Take-Off (PTO) chatter.
KOYOTO TRACTOR OIL STOU 20W-40 series are extra high performance multipurpose tractor lubricants formulated from highly refined base stocks and advanced technology additive system, to meet or exceed transmission and hydraulic fluid requirements. These oils are engineered to deliver the varied lubricant performance properties required in severe duty applications of agricultural and construction equipment drive trains. Moreover it is particularly well suited for reducing wet brake and Power Take-Off (PTO) chatter.
Specifications
KOYOTO TRACTOR OIL STOU 20W-40 series meets or exceeds following International and Builder specifications:
Typical Characteristics
| KOYOTO TRACTOR OIL STOU | Test Method | Units | 10W30 | 15W-40 | 20W-40 |
|---|---|---|---|---|---|
| Density @ 15 0C | ASTM D 4052 | gm/cc | 0.870 | 0.875 | 0.888 |
| Viscosity @ 40 0C | ASTM D 445 | cSt | 59 | 103 | 107 |
| Viscosity @ 100 0C | ASTM D 445 | cSt | 9.6 | 14.30 | 14.30 |
| Viscosity Index | ASTM D 2270 | – | 146 | 142 | 136 |
| Pour Point | ASTM D 97 | °C | -39 | -36 | -33 |
| Flash Point (COC) | ASTM D 92 | °C | 212 | 225 | 230 |
| CCS viscosity | ASTM D 5293 | cP | 5500@ -25 ° C | 6000@ -20 ° C | 6020@ -15 ° C |
| Zinc | ASTM D 4951 | wt% | 0.12(Min)-
0.19(Max) |
0.12(Min)-
0.19(Max) |
0.12(Min)-
0.19(Max) |
The above figures are typical of blends with normal production tolerance and do not constitute a specification.
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