Gearbox numbers and ratios manual transmission

Tire size			195/60-15
Gearbox number			GM 55806
Primary drive number			8
Final drive			3.89
RPM	Speed km/h
	1.	2.	3.	4.	5.
1000	8.7	15.2	22.9	31.8	39.8
1250	10.9	19	28.6	39.7	49.8
1500	13.1	22.8	34.4	47.6	59.7
1750	15.3	26.6	40.1	55.6	69.7
2000	17.4	30.4	45.8	63.5	79.7
2250	19.6	34.2	51.5	71.4	89.6
2500	21.8	38	57.3	79.4	99.6
2750	24	41.8	63	87.3	109.5
3000	26.2	45.6	68.7	95.3	119.5
3250	28.4	49.4	74.5	103.2	129.4
3500	30.5	53.2	80.2	111.1	139.4
3750	32.7	57	85.9	119.1	149.4
4000	34.9	60.8	91.6	127	159.3
4250	37.1	64.6	97.4	134.9	169.3
4500	39.3	68.4	103.1	142.9	179.2
4750	41.4	72.2	108.8	150.8	189.2
5000	43.6	76	114.6	158.8	199.2
5250	45.8	79.8	120.3	166.7	209.1
5500	48	83.6	126	174.6	219.1
5750	50.2	87.4	131.7	182.6	229
6000	52.3	91.1	137.5	190.5	239
6250	54.5	94.9	143.2	198.5	248.9
6500	56.7	98.7	148.9	206.4	258.9

Primary drive number	4	5	6	7	8
Number of teeth drive/output	31/30	30/27	31/26	32/25	33/24
Gear ratio	0.97	0.9	0.84	0.78	0.72
	<– shorter longer –>

Gearbox #	Gearbox individual ratio					Original gear		Total gear ratio
	1er	2er	3er	4er	5er	Primary	Axle	1er	2er	3er	4er	5er
GM 34408	3.88	2.2	1.47	1	1	1.033	3.67	13.78	7.79	5.22	3.55	3.55
GM 34506	3.88	2.19	1.47	1	1	1.111	3.67	12.81	7.24	4.86	3.3	3.3
GM 34408	3.88	2.19	1.47	1	1	1.111	3.67	12.81	7.24	4.86	3.3	3.3
GM 45510	4.53	2.56	1.72	1.24	1	1.111	3.67	14.96	8.46	5.67	4.08	3.3
GM 45606	4.53	2.56	1.72	1.24	1	1.192	3.67	13.94	7.88	5.29	3.8	3.08
GM 45601	4.53	2.56	1.72	1.24	1	1.192	3.67	13.94	7.88	5.28	3.8	3.07
GM 45612	4.55	2.65	1.74	1.25	1	1.192	3.89	14.85	8.64	5.66	4.09	3.26
GM 45614	4.57	2.62	1.74	1.26	1	1.192	3.89	14.91	8.56	5.68	4.1	3.26
GM 45710	4.39	2.48	1.67	1.2	0.97	1.24	3.67	12.99	7.34	4.93	3.54	2.86
GM 45712	4.41	2.57	1.68	1.21	0.97	1.24	3.89	13.84	8.05	5.27	3.81	3.04
GM 45714	4.43	2.54	1.69	1.22	0.97	1.24	3.89	13.89	7.98	5.29	3.82	3.04
GM 54714	4.43	2.54	1.69	1.22	0.97	1.24	3.89	13.89	7.98	5.29	3.82	3.04
GM 54602	4.53	2.56	1.72	1.24	1	1.192	3.67	13.94	7.88	5.28	3.8	3.07
GM 54702	4.39	2.48	1.67	1.2	0.97	1.24	3.67	12.99	7.34	4.93	3.54	2.86
GM 54704	4.41	2.57	1.68	1.21	0.97	1.24	3.89	13.84	8.05	5.27	3.81	3.04
GM 54706	4.43	2.54	1.69	1.22	0.97	1.24	3.89	13.89	7.98	5.29	3.82	3.04
GM 54712	4.39	2.48	1.67	1.2	0.97	1.24	3.67	12.99	7.34	4.93	3.54	2.86
GM 54804	4.55	2.65	1.74	1.26	1	1.375	3.89	12.88	7.49	4.91	3.55	2.83
GM 54806	4.57	2.62	1.74	1.26	1	1.375	3.89	12.92	7.42	4.92	3.55	2.83

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