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Section 6 - Specifications
Speed Chart
Speed charts
Speeds at 2100 engine rpm - km/h (mph)
Synchromesh Transmission
Tire
Group
Low Range Medium Range High Range Reverse
1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4
A
3.1 3.6 4.2 4.8 5.6 6.5 7.6 9.9 11.5 13.4 15.7 18.3 4.0 4.6 5.4 6.3
B
3.2 3.7 4.4 5.0 5.8 6.8 7.9 10.3 12.1 14.1 16.4 19.1 4.2 4.9 5.7 6.6
C
3.3 3.9 4.5 5.2 6.1 7.1 8.3 10.8 12.6 14.7 17.1 20.0 4.3 5.1 6.0 7.0
D
3.5 4.2 4.8 5.5 6.5 7.6 8.8 11.5 13.4 15.6 18.2 21.3 4.6 5.4 6.4 7.5
Tire
Group
Low Range
1 2 3 4 5 6 7 8 9 10 11 12
Reverse
1 2
A
3.7
(2.3)
4.5
(2.8)
5.3
(3.3)
6.4
(4.0)
7.7
(4.8)
9.1
(5.7)
10.7
(6.7)
12.8
(8.0)
15.2
(9.5)
18.2
(11.4)
31.9
(13.7)
25.9
(16.2)
4.6
(2.9)
8.0
(5.0)
B
4.0
(2.5)
4.6
(2.9)
5.6
(3.5)
6.7
(4.2)
8.0
(5.0)
9.6
(6.0)
11.2
(7.0)
13.4
(8.4)
15.8
(9.9)
19.0
(11.9)
23.0
(14.4)
27.2
(17.0)
4.9
(3.1)
8.5
(5.3)
C
4.1
(2.6)
5.0
(3.1)
5.8
(3.6)
7.0
(4.4)
8.3
(5.2)
9.9
(6.2)
11.7
(7.3)
14.1
(8.8)
16.6
(10.4)
19.8
(12.4)
24.0
(15.0)
28.3
(17.7)
5.1
(3.2)
8.8
(5.5)
Typical Tire Groups
A B C
24.5 X 32 R1
30.5 X 32 R1
20.8 X 38 R1
30.5 X 32 R2
18.4 X 42 R1
20.8 X 38 R2
20.8 X 42 R1
710/70 X 38 R1
850/60 X 38 R1
Typical Tire Groups
A B C C
24.5 X 32 R1
30.5 X 32 R1
20.8 X 38 R1
30.5 X 32 R2
18.4 X 42 R1
20.8 X 38 R2
710/70 X 38 R1
20.8 X 42 R1
710/70 X 38 R1
850/60 X 38 R1
900/50 X 42 R1
800 X 38 R1
710/70 X 42 R1
1407 Twindisc Powershift Transmission
Desired
Engine speed X chart speed = ground speed
2100 RPM
Tire
Group
Forward gears
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Reverse
1 2 3 4
A
(2.1) (2.6) (3.3) (4.2) (5.0) (5.7) (6.4) (7.2) (8.1) (9.1) (10.2) (11.5) (13.7) (17.4) (20.5) (23.0) (1.7) (4.0) (4.5) (11.0)
B
(2.2) (2.8) (3.5) (4.5) (5.3) (6.0) (6.8) (7.6) (8.6) (9.6) (10.9) (12.2) (14.6) (18.5) (21.8) (24.4) (1.8) (4.3) (4.8) (11.6)
CAT TA22 Powershift Transmission
Typical Tire Groups
A B
(Approx. 226"-230" L.R.C.)
900 X 42
520 X 42
710 X 38
(Approx. 240"-244" L.R.C.)
800 X 38
710 X 42
520 X 46
L.R.C. = Loaded Rolling Circumference
NOTES: 1. Based on 2100 engine RPM, 26/1 axle ratio, radial tires
2. 15th gear limited to 1950 engine RPM
3. 16th gear limited to 1725 engine RPM
NOTE: To calculate ground speed at an engine speed
other than 2100 RPM, use the following formula: