General specifications
The basic transmission utilizes a 4 or 5 speed synchromesh gearbox with 3 speed ranges.
A reverse shuttle, fitted as standard, gives a total 12 forward and 12 reverse speeds with the 4-speed box.
Options include Creeper, and Underdrive (in place of or in addition to the creeper), giving a total of:
16 forward and 16 reverse (with Creeper);
24 forward and 12 reverse (with Underdrive);
32 forward and 16 reverse (with Creeper and Underdrive
);
Each version is also available with 30 or 40 km/h top speed.
Technical specifications
number of speeds 12 FWD + 12 REV
gearbox ratios: 4-speed (5-speed)
(1st gear) 18/48 = 1/2,6667
1st gear (2nd gear) 30/54 = 1/1,8000
2nd gear (3rd gear) 34/46 = 1/1,3529
3rd gear (4th gear) 39/40 = 1/1,0256
with underdrive 38/42 = 1/1,1053
4th gear (5th gear) 44/34 = 1/0,7727
shuttle: forward 37/34 = 1/0,9189
reverse 34/30 = 1/0,8824
range ratios: low 1
st
version (19/58)x(19x59 )= 1/9,4792
2
nd
version (19/48)x(19x58 )= 1/7,7119
medium 1
st
version (19/58)x(40/39) = 1/2,9763
2
nd
version (19/48)x(28/33) = 1/2,9774
high 1
rear axle ratios:
bevel gear pair
Silver 80-90-100.4
30 km/h 8/41 = 1/5,1250
Silver 100.6
30 km/h 9/41 = 1/4,5555
Silver 80-90-100.4
40 km/h 10/39 = 1/3,9000
Silver 100.6
40 km/h 11/38 = 1/3,4545
epicyclic final drive
Silver 80-90-100.4
(12/12+69) = 1/6,7500
Silver 100.6
(11/11+73) = 1/7,6364
overall ratio
Silver 80-90-100.4
30 km/h 1/34,5938
Silver 100.6
30 km/h 1/34,7884
Silver 80-90-100.4
40 kmIh 1/26,3076
Silver 100.6
40 kmIh 1/26,3799
backlash between crownwheel
and pinion teeth (mm) 0,18
÷
0,24
underdrive 35/38 = 1/1,0857
creeper 1
st
version (19/58)x(19/59)x(26/75)x(39/40) = 1/26,6603
2
nd
version (19/48)x(19/58)x(26/75)x(33/28) = 1/26,2184
shuttle shaft and layshaft end float (mm) 0,15
÷
0,60
end float of shuttle gears
(or underdrive) (mm) 0,15
÷
0,60
reference distance for adjustment of bevel
gear pair
- with mechanical differential lock (mm) 4 ± 0,1
- with hydraulic differential lock (mm) 2,5 ± 0,1
Transmission configurations with 5 speed gearbox
Optional: AGROSHIFT, allowing clutchless selection of all available ratios - - - across a 3-speed band,
giving a total of:
45 forward and 45 reverse speeds, without Creeper option
60 forward and 60 reverse speeds, with Creeper option.
transmission
gearbox
3
31
133
www.maskinisten.net
www.classicmachinery.net
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