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Gearbox, Differential and Transfer Box Ratio Information

Date	Country	Engine	Gearbox	Gear 1	Gear 2	Gear 3	Gear 4	Gear 5	Transfer Box	High	Low	Final Drive
1998	UK/EU	G13B	Manual	3.652	1.947	1.423	1.000	0.864	Manual	1.320	2.145	3.909
1998	UK/EU	G13B	Auto	2.962	1.515	1.000	0.738	N/A	Manual	1.320	2.145	4.090
2001	UK/EU	M13A	Manual	3.652?	1.947?	1.423?	1.00	0.864?	Manual	1.32	2.145	3.909
2001	UK/EU	M13A	Auto	2.962?	1.515?	1.000?	0.738?	N/A	Manual	1.32	2.145	4.090
2005+	UK/EU	M13AVVT	Manual	4.425	2.304	1.674	1.190	1.000	Electric	1.00	2.002	4.300
2005+	UK/EU	M13AVVT	Auto	2.875	1.568	1.000	0.695	N/A	Electric	1.32	2.643	4.090
2005+	EU	K9K	Manual	4.246	2.357	1.695	1.242	1.00	Electric	1.00	2.002	3.416
2000	JP	K6A	Manual	4.031	2.391	1.513	1.00	0.790	Manual	1.320	2.145	5.375
2000	JP	K6A	Auto	2.902	1.515	1.00	0.736	N/A	Manual	1.320	2.145	5.375
2010	JP	K6A	Manual	5.106	3.107	1.908	1.254	1.000	Manual	1.320	2.643	4.300
2010	JP	K6A	Auto	2.875	1.568	1.000	0.696	N/A	Electric	1.320	2.643	5.375

See below for some worked examples test:

2005 VVT manual gearbox Jimny, engine at 4000 RPM and in 5th gear High Ratio

Gearbox input = 4000 RPM

Gearbox ratio = 1

Gearbox output = 4000 RPM

Transfer box input =4000 RPM

Transfer box ratio = 1

Transfer box output = 4000 RPM

Diff input = 4000 RPM

Diff ratio (final drive) = 4.3

Diff output = 465 RPM

Wheel input = 465 RPM

Wheel diameter = 28 inches

Road speed = 77.7 miles per hour

2005 VVT manual gearbox Jimny, engine at 3000 RPM and in 1st gear Low Ratio

Gearbox input = 3000 RPM

Gearbox ratio = 4.425

Gearbox output = 678 RPM

Transfer box input =678 RPM

Transfer box ratio = 2.002

Transfer box output = 338.6 RPM

Diff input = 338.6 RPM

Diff ratio (final drive) = 4.300

Diff output = 78.5 RPM

Wheel input = 78.5 RPM

Wheel diameter = 28 inches

Road speed = 1.5 miles per hour

Note: For the road speed calc you can use your maths from school or a web calculator - www.4qd.co.uk/road-speed-calculator/----

Page last edited on 16/01/2018 by user Mlines