Travel Speeds, PowrQuad Plus Transmission (20/20), 7430 and 7530 Tractors

40 km/h (25 mph); rated engine speed 2100 rpm; 18.4R38 tires; differential 52/10
Range	Gear	km/h	mph
A	1	2,3	1.4
	2	2,8	1.7
	3	3,3	2.1
	4	4,0	2.5
B	1	4,8	3.0
	2	5,8	3.6
	3	7,0	4.4
	4	8,6	5.3
C	1	7,7	4.8
	2	9,3	5.8
	3	11,1	6.9
	4	13,6	8.5
D	1	14,3	8.9
	2	17,2	10.7
	3	20,6	12.8
	4	25,2	15.7
E	1	21,2	13.2
	2	25,5	15.8
	3	30,5	19.0
	4	37,4	23.2
A	R1	2,4	1.5
	R2	2,9	1.8
	R3	3,4	2.1
	R4	4,2	2.6
B	R1	5,1	3.2
	R2	6,1	3.8
	R3	7,3	4.5
	R4	8,9	5.5
C	R1	8,0	5.0
	R2	9,7	6.0
	R3	11,6	7.2
	R4	14,2	8.8
D	R1	14,9	9.3
	R2	17,9	11.1
	R3	21,5	13.4
	R4	26,3	16.3
E	R1	22,1	13.7
	R2	26,6	16.5
	R3	31,8	19.8
	R4	39,0	24.2

Other tires (supplied by factory):
Tires	Speed	Differential	Tires	Speed	Differential
24.5-32	same	52/10	650/65R38	5.9% faster	52/10
18.4R34	6.1% slower	52/10	18.4R42	5.9% faster	52/10
650/75R34	5.9% faster	52/10	480/80R42	5.9% faster	52/10
18.4-38	same	52/10	14.9R46	5.9% faster	52/10
20.8R38	5.9% faster	52/10	320/90R46	same	52/10
480/80R38	same	52/10	420/80R46	5.9% faster	52/10
520/85R38	5.9% faster	52/10	320/90R50	5.9% faster	52/10