Engine Conversion Portal Axles Low Range & Overdrive Gears Part Time 4WD Kits Rebuild Kits Towing Brakes Shop by Vehicles Accessories Shop by Brand Technical Information Speedo CorrectionTyre, Transfer & Diff Calculator for calculating wheels speeds at both low and high range in all your gears.Transmission Select a Transmission ...4 Spd A44D (89-91, 4Runner)4 Spd A340F (85-03, 4Runner)4 Spd A343F (90-96, Surf/4Runner)4 Spd A343F (93-96, Prado 3.0L)4 Spd A343F (80 Series LandCruiser)4 Spd A343F (80 Series LandCruiser)4 Spd A343F (100 Series LandCruiser)4 Spd A440F (80 Series LandCruiser)4 Spd A442F (100 Series LandCruiser V8/V6 Petrol)5 Spd A750F(105 Series LandCruiser)5 Spd W564 Spd H414 Spd H425 Spd H55F (LandCruiser 70 Series)5 Spd H150F (LandCruiser 80 Series non-turbo)5 Spd H151F (LandCruiser 80 Series turbo)5 Spd H151F (LandCruiser VDJ7# Series)5 Spd R150F (2L-T, 1KZ-T)5 Spd R150F (1KZ-T, 1KZ-TE)5 Spd R151F (105 Series LandCruiser)3.0L, 4.2L or 4.5L 4 Spd Auto4.8L 5 Spd Auto3.0L 5 Spd Manual DI3.0L 5 Spd Manual CRD4.2L or 4.5L 5 Spd Manual4.8L 5 Spd ManualTH400TH7004L80-E4L60-E6L806L90Allison 1000 If required, you can manually enter your transmission gear ratios in the fields below.For more information regarding transmissions/gearboxes refer to Engine & Gearbox Information Diff Ratio: Select a Ratio3.423.5453.733.9003.914.1004.114.3754.5554.564.6254.8805.135.29 - This may also be referred to as "Axle (Gear) Ratio".Tyre & Wheel Size Width: 0145155165175185195205215225235245255265275285295305315325335345 Sidewall Height: 025303540455055606570758085 Wheel Diameter: 0101112131415161718192021222324252627282930 or Diameter (inches): Transfer Case Choose A Transfer Case if applicableNissan Patrol (TX12A)Toyota LandCruiser (1964-9/1973)Toyota LandCruiser (9/1973-4/1975)Toyota LandCruiser (4/1975-8/1980)Toyota LandCruiser (8/1980-10/1982)Toyota LandCruiser (10/1982-10/1984)Toyota LandCruiser (1988-1990)Toyota LandCruiser 70 Series HF1AToyota LandCruiser 80/100 Series HF2AOther ... enter required transfer case ratios Low Range: High Range: Engine RPMEngine RPM: Final Calculations These speeds are calculated from the above information. Due to slight differences in your setup, the actual speeds may be slightly different. Transmission GearsRatioHigh Range (KPH)Low Range (KPH)1st Gear2nd Gear3rd Gear4th Gear5th Gear6th GearReverse Gear CLEAR
