Transmission Gearbox; Maximum Theoretical Speeds On Roads - MASSEY FERGUSON 2650 Service Manual

4 - Transmission gearbox

4.1 - 8x2 speeds gearbox
Characteristics .................................................. The 8 x 2 gearbox has 8 forward and 2 reverse speeds. This is achieved by using a
Control ............................................................... By two levers.
4.2 - 8x8 Syncro Shuttle gearbox
Characteristics .................................................. The 8 forward and 8 reverse speeds are achieved by using a four speeds gearbox, a
Control ............................................................... By two levers and a third lever for reverse unit, located on Left Hand side of instrument
4.3 - 12x4 speeds Syncro gearbox
Characteristics .................................................. The 12 forward and 4 reverse speeds are achieved by using a two-stage gearbox and
Control ............................................................... By three levers on footstep version tractors and two levers on cab version tractors.
4.4 - Creeper
Application ......................................................... Optional for footstep type tractors, with 8x2 and 8x8 speeds transmission.
Characteristics .................................................. Provides extra-low speed range.

5 - Maximum theoretical speeds on roads

Model 2650
Tires/engine rpm 18.4-30R1/2200
Transmission 12x4 speeds syncro
mph
1
2
3
4
5
6
7
8
9
10 12.0
11 18.2
12 22.5
NOTE:
Tractor speed depends upon the gearbox and wheels used. To know the travel speed of your
tractor, on each gear, within an engine speed range between 1400 and 2200 rpm, check the
travel speed chart decal attached to the right-hand side of the operation station. Measuring is
performed according to the rear tires and transmission intaled.
HD Series 2600
2650
four forward and one reverse speed gearbox, compounded by a planetary unit.
planetary unit and a reverse unit. The coupling of all gears is synchronized type.
panel.
a planetary unit. The coupling of 2nd and 3th gears is synchronized type.
2660
18.4-30R1/2200
12x4 speeds syncro
mph
1.6 1.6
2.0 2.0
2.4 2.4
2.9 2.9
4.5 4.5
5.5 5.5
6.5 6.5
8.2 8.2
9.7 9.7
12.0
18.2
22.5
Technical Specifications
2660 2670
2670
18.4-30R1/2200
12x4 speeds syncro
mph
1.6
2.0
2.4
2.9
4.5
5.5
6.5
8.2
9.7
12.0
18.2
22.5
2680
2680
18.4-30R1/2200
12x4 speeds syncro
mph
1.6
2.0
2.4
2.9
4.5
5.5
6.5
8.2
9.7
12.0
18.2
22.5
01B01-5
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