Table 2.1 m155 hydraulic pumps – MacDon M155 Operators Manual User Manual
Page 47

HEADER COMPATIBILITY
Auger
Headers
A30-D, A40-D
All Sizes
Draper
Headers
D50, D60, and
D65
2
Up to 35 FT.
Draper
Headers
D60 and D65 40
FT
40 FT.
Rotary Disc
R80 and R85
13 FT. Only
3
NOTE:
Specifications and design are subject to change without notice or obligation to revise previously
sold units.
Table 2.1 M155 Hydraulic Pumps
Pump Type
Specifications
Controller Type
Function
Pump A
- Load Sense Pressure
Compensated Piston
Pump
Variable Displacement:
0–2.75 cu. in. (45 cc)
Flow = 0-27 gpm
(102 L/min) at 4000 psi
(27.56 MPa)
Electric over Hydraulic
Max. Flow rate
Determined By Header ID
Knife drive or part of disc
drive (option) M1 circuit
Pump B
- Load Sense Pressure
Compensated Piston
Pump
Variable Displacement:
0–2.32 cu. in. (38 cc)
Flow = 0-24 gpm
(84 L/min) at 3200 psi
(22.05 MPa)
Electric over Hydraulic
Max. Flow rate
Determined By Header ID
Conveyor and reel drive or
part of disc drive (option)
M2 circuit
Pump C - Gear Pump
Displacement:
0.84 cu. in. (13.8 cc)
Flow at Full Throttle
11.5 gpm. (44 L/min) at
2500 psi (17.23 MPa)
Engine rpm
Supercharge flow and
pressure for traction drive,
brake release, Neutral
lock, and DWA draper
drive (if installed).
Pump D- Gear Pump
Displacement:
0.84 cu. in. (13.8 cc)
Flow at Full Throttle
11.5 gpm. (44 L/min) at
2500 psi (17.23 MPa)
Engine rpm
Supercharge flow and
pressure for traction drive,
brake release, and Neutral
lock.
2.
Depending on header options
3.
Only 18.4 x 26 tires are compatible with the 13 FT R80 and R85
169883
31
Revision A