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DUAL CLUTCH TRANSMISSION FLUID II 100% SYNTHETIC FLUID for Dual Clutch Transmission
  • It has better low temperature flowability that let you have smooth driving experience for the everyday driving, and we have improved high temperature oil film characteristic. It has advantage on high-intensity.
  • Because the stock fluid is very expensive and difficult to obtain, we have made it cheaper and easy to get for regular change and overhaul.
  • The base oil is authentic 100% chemical synthetic oil. (Stock is half synthetic oil)
  • The extreme-pressure performance is improved to provide better abrasion resistance to the gear as compared to the stock, and the oil film stability in a high temperature area is improved by reviewing the kinematic viscosity across all the heat range. This product is compatible with Volkswagens DSG (both wet and dry type) and BMW DCT.

※DCT is a system that gear and transmission coexist in the system. Basically, it is not replaceable. However, continuous sports driving leads considerable abrasion of clutch materials that become floating components made of metal, resin, etc. in the oil, and these floating components accelerates abrasion of the gear teeth; therefore, regular replacement (every 5,000km) is recommended.

  Unit DCTF-II GR6 TC-SST
Density g/cm3 0.857 0.8409 0.8409
Base Oil   100% Synthetic 100% Synthetic Partial Synthetic
Color (ASTM)   Brown Dark Green Pale Green
Flash Point 210 212 210
Kinematic Viscosity (40℃) mm2/s 33 33.7 33.7
Kinematic Viscosity (100℃) mm2/s 7.3 6.5 6.5
Viscosity Index   185 150 146
Acid Value mgKOH/g 0.7 1.26 1.27

DUAL CLUTCH TRANSMISSION FLUID I

* Discontinued.

  • Compare to the R35 (GR6) factory fluid, the flow properties at low temperature is improved so the ordinary use of the transmission can be smoother, and the oil film strength at high temperature is improved. HKS DTCF-I has more advantages than the factory fluid to high load driving.
  • Comparing to the factory fluid which is very expensive and difficult to purchase, HKS DTCF-I is less expensive, and its availability is more reliable. Replace the factory fluid with HKS DTCF-I when overhauling and changing the fluid at regular interval.
  • The base oil of HKS Transmission Fluid is 100% synthetic. (The factory transmission fluid is made of semi-synthetic oil.)

*DCT(wet type) has mechanism of coexisting gear and clutch. And the stock oil is not required to be changed, however we recommend to change regularly (in every 5,000km) because of the continuously hard and sport drive make the friction of clutch parts to break which will cause to gear cog to be damaged.

Oil Temp. 40 60 80 100 130 150 VI
EVO X (TC-SST) 33.7 19 10 6.5 3.9 2.9 146
R35 (GR6) 33.7 19 10 6.5 3.9 3 150
DCTF-I 28 17 10.3 7.03 4.3 3.4 196

Specifications

  Unit DCTF-I GR6 TC-SST
Density g/cm3 0,854 0.8409 0.8409
Base Oil   100% Synthetic 100% Synthetic Partial Synthetic
Color (ASTM)   Green Dark Green Pale Green
Flash Point 210 212 210
Kinematic Viscosity (40℃) cm2/S 28.00 33.76 33.12
Kinematic Viscosity (100℃) cm2/S 7.03 6.512 6.432
Viscosity Index   196 150 145
Acid Value mgKOH/g 0.7 1.26 1.27

Comparison

* HKS R35 test for 5,000km. Right is normal and left is DCTF. You can see clearly here normal mission is very dark.

Required Volume

  • R35 GT-R(GR6) : 9.1L
  • EVO X(SST) : 7.1L

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