3
EATON
Dual Path Mobile Pump E-PUPI-TM005-E2 September 2007
Features,
Controls,
Applications and
Specifications
Controls
• Mechanical servo and
Hydraulic (non-feedback)
• Electro-proportional “EP”
• Proportional valve control
with electronic swash
plate feedback
- Non-contacting sensor
- Fast response, precise,
real-time pump control
- Best electro-hydraulic con-
trol for mobile hydrostatic
transmissions available on
the market today*
* Interface requires proprietary
Eaton electronic control or
control algorithms
Features
• Symmetrical 4-Bolt design
• Polyacrylate Shaft Seal
• 15-Tooth splines, 14-Tooth
splines, Taper Input Shafts
• Case Drains location
(one connection needed)
• Shaft mounted on Tapered
roller bearings
• Optional Speed Pickup
Location
• Swash plate bearings
• Same Side or Opposite
Side Main Work Ports
Typical Applications
• Pavers, Rollers
• Telescopic Booms
• Boring Machines
• Trenching Machines
• Sweepers
• Small Sprayers
• Telehandlers
• Stump Grinders
• Compact Wheel Loaders
• Rough Terrain Fork Lifts
• Material Handling
Equipment
• Skid Steer Loaders
• Windrowers/Sprayers
UNITS
41
49
62
Displacement
cc/rev (cid)
41 (2.50)
49 (3.00)
62 (3.80)
Input Speed
Min RPM
500
500
500
Max
RPM
3600 3600 3600
Continuous Pressure
Bar (psi)
280 (4000)
280 (4000)
280 (4000)
Rated Pressure
Bar (psi)
380 (5500)
380 (5500)
380 (5500)
Charge Pressure
Bar (psi)
15-31 (220-450)
15-31 (220-450)
15-31 (220-450)
Flow at Rated Speed
LPM (GPM)
139 (37)
166 (44)
210 (56)
Mounting
2-Bolt SAE B
2-Bolt SAE B
4-Bolt SAE C
4-Bolt SAE C
2-Bolt SAE C
2-Bolt SAE C
2-Bolt SAE C
4-Bolt SAE C
Specifications:
Continuous Pressure:
280 Bar (4000 psi)
Rated Pressure:
380 Bar (5500 psi)
Displacements:
41cc (2.50 cid), 49 cc (3.00
cid), 62 cc (3.8 cid).
Estimated weight for a 350 series pump
with opposite side main ports with charge
pump - 81.8 Kg (181 lbs).
2.
Symmetrical
4 Bolt Design
9.
Swash Plate
Position Sensors
1.
Solenoid
Displacement
Control
3.
Polyacrylate
Shaft Seal
4.
15-Tooth Splines
14-Tooth Splines
Taper Input Shafts
Shaft Mounted on
Tapered Roller Bearings
5.
Case Drains Location
(one connection needed)
7.
Same Side or Opposite
Side Main Work Ports
8.
Swash Plate
Bearings
6.
Optional Speed
Pickup Location
9
1
9
2
3
4
8
5 6
7
5
Feature Locations
