Tribological Materials--Sliding Materials

Year
Technology developed and applied
Applicable Vehicle
(Engines)
Further details
1978
SUR17 rocker arm
M-U
 
Piston ring with thermally sprayed iron chromium (Fe-Cr)
L
 
1981
Sintered camshaft
Camry
 
1982
Ring-insert fiber-reinforced metal piston
2L-T
 
1989
Aluminum valve lifter
1UZ
 
1990
Thermally sprayed synchronizer ring
M150
 
New friction plates for limited slip differentials
MarkII
 
1992
High-wear-resistance polyetheretherketone shift fork
 
 
1995
Low-friction-resin-coated piston
Crown
 
Composite plated overlay for high-contact-pressure bearings
Corolla
 
1996
Titanium nitride-coated shim
2JZ
 
1997
Sintered synchronizer ring
Corolla M/T
 
1999
Aluminum MMC cylinder block
Celica
 
2001
Bearing with a solid lubricating overlay (RA520)
2JZ
 
2002
Resin-coated piston (LFA)
 
 
2005
Bearing with a new solid lubricating overlay (RA530)
 
 
Motorized water pump DLC shaft for hybrid vehicles
Prius
 
DLC propeller shaft
 
 
2008
DLC clutch support
IMV series
 
2011
PFOA-free, self-lubricating bearing
 
 

Tribological Materials--Friction Materials

1) Chassis

Year
Technology developed and applied
Applicable Vehicle
Further details
1987
Asbestos-free brake pad
Corolla
 
1996
Pad with improved brake noise performance
Windom
 
1997
Disc brake rotor
FCA16
 
Aluminum metal matrix composites disc brake rotor
RAV4 EV
 

2) Drivetrain

Year
Technology developed and applied
Applicable Vehicle
Further details
1983
Asbestos-free clutch facing
Crown
 
1993
High-strength, long-life clutch facing
Supra
 
1994
Wet friction material for flex lock-up
Windom
 
1997
Low-cost, long-file clutch facing
Hilux Surf
 
1999
High heat resistance wet friction material
Vitz
 
2003
High coefficient of friction wet friction material
Celsior
Further details

Tribological Materials--Oils

1)Drivetrain

Year
Technology developed and applied
Applicable Vehicle
Further details
1950s
Type F ATF
 
 
1973
Hypoid gear oil
 
 
1978
Grease for constant velocity joint (CVJ)
Tercel
 
1980
Multigrade gear oil
 
 
1984
D-II ATF
 
 
1987
Fluorine grease
 
 
Type T Automatic Transmission Fluid (ATF) for 4WD
Corolla
 
Urea grease for CVJ
Crown
 
1989
T-II ATF
Lexus
 
Viscous coupling fluid
Celica
 
1994
Grease for Low-friction CVJ grease
Tercel
 
1997
T-Ⅳ ATF for slip control
Century
Further details
1998
Grease for second-generation low-friction CVJ
All models
 
2000
Grease undercut Birfield joint
Estima
 
Fluid for CVT with torque controller
Opa
 
2002
Grease for third-generation low-friction CVJ
All models
 
2003
Fuel-saving ATF WS
Celsior
 
Fuel-saving differential oil Negra 75W-90
Celsior
 
2005
Fuel-saving MT oil LV
Aygo
 
Fuel-saving differential oil
Lexus IS
 
2007
Fuel-saving differential oil Spirax FET
Hilux Surf, etc.
 
Fuel-saving LSD oil LX
Lexus LS, Hilux Surf, etc.
 
2009
Fuel-saving TF oil
Land Cruiser Prado
 
2010
TF oil LL exclusively for Lexus
Lexus LS
 
2012
Fuel-saving CVT FFE
Corolla, etc
 

2)Chassis

Year
Technology developed and applied
Applicable Vehicle
Further details
1966
Glycol-ether-based brake fluid
 
 
1970
Power steering fluid
 
 
1978
Urea grease for wheel bearings
 
 
1991
Active suspension fluid
Soarer
 
1994
Shim Grease for preventing disc brake squeaking
Celsior
 
1997
Shock absorber fluid with improved low-friction stability
 
 
2000
Electrical PS grease
Prius
 
2001
Shock absorber fluid with improved steering ease and stability
Corolla(European models)
 

3) Engine

Year
Technology developed and applied
Applicable Vehicle
Further details
1966
All-season coolant, ethylene glycol type
 
 
1976
Low-phosphorus engine oil
Domestic models
 
1990
SG 5W-50 synthetic engine oil
Domestic models
 
1994
SH EC-II 5W-30 gasoline engine oil
Carina
 
1997
SJEC 5W-20 gasoline engine oil
Century
Further details
CF-4 10W-30 engine oil
Regius
 
2000
Toyota-Genuine low-cost, low-chlorine gasoline engine oil
All models
 
Amine-free, long-life coolant with improved aluminum corrosion protection
Corolla
 
2001
GF-3 gasoline engine oil
All models
 
2002
Long-life LLC (with reduced environmental impact)
All models
 
FC coolant (exclusively for fuel cell vehicles)
FCHV
 
2003
Fuel-saving engine oil
Prius
 
2004
Fuel-saving engine oil ACEA B1 5W-30
Diesel vehicles (European models)
 
2005
Fuel-saving engine oil GF-4 0W-20
Gasoline vehicles (All Domestic models)
 
Engine oil GF-4 5W-30
Gasoline vehicles (All North American and European models)
 
Engine oil GF-4 10W-30
Gasoline vehicles (All models)
 
2006
Fuel-saving engine oil GF-4 0W-20
Camry (TMMK model)
 
Low-SAPS engine oil DL-1 5W-30
Avensis
 
2008
Fuel-saving, SAPS engine oil DL-1/C2 0W-30
Avensis
 
2011
Fuel-saving engine oil GF-5 0W-20
Gasoline vehicles (All Japanese, North American, European, and Chinese models)
 
2012
Engine oil GF-5 5W-30/10W-30
Gasoline vehicles (All models for North America and other regions excluding Japan, U.S.A., and China)
 

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