Mower Specification; Hydraulic Specification - Jacobsen LF550-H-T4F Safety, Operation And Maintenance Manual

4 SPECIFICATIONS
4.3

MOWER SPECIFICATION ___________________________________________________

Battery:
Service Brake:
Parking Brake:
Fuel Tank:
Hydraulic Tank:
Hydraulic Fluid:
Return Filter:
Charge Filter:
Hydraulic Cooling:
Steering:
2WD Traction Drive:
4WD Traction Drive:
LF550 Cutting Unit Drive: 0.72 in
LF570 Cutting Unit Drive: 1.01 in
Mow Speed:
Transport Speed:
Reverse Speed:
LF550 / LF570 Cutting Performance: 5.7 acres/hr. (2.32 hectares/hr) @7 mph (11.25 km/hr)
4.4

HYDRAULIC SPECIFICATION

Circuit Description
Forward Traction Circuit
Reverse Traction Circuit
Charge Pressure
Front and Rear Mowers
Steering and Lift/Lower
13
12V, 600 CCA, Group BCI 24
Dynamic braking through the traction circuit
Integrated in wheel motor, hydraulic release
17 U.S. Gallons (65 l)
14 U.S. Gallons (53 l)
GreensCare 68
10 Micron, 30 psi (2.06 BAR) crack bypass
10 Micron, 30 psi (2.06 BAR crack bypass
Side by side combined hydraulic oil cooler and engine coolant radiator
Hydrostatic power steering, with adjustable steering wheel
Parallel system in the forward and reverse direction. Variable displacement hydraulic pump to
3
17.1 in (280 cc) front wheel motors.
SureTrac™ 4WD parallel-cross-series system in the forward direction. 2WD in the reverse
direction. Variable displacement hydraulic pump to 17.1 in
3
11.9 in (195 cc) rear wheel motors.
3
(11.8 cc) hydraulic motors connected to the cutting unit
3
(16.5 cc) hydraulic motors connected to the cutting unit
0-8 mph (0-13 kph)
0-12 mph (0-19.3 kph)
0-5 mph (0-8.1 kph)
Flow @2800 rpm engine speed
US Gallons/Minute (Liters/Minute)
34.06 (128.9)
34.06 (128.9)
6.8 (25.7)
6.8 (25.7)
6.8 (25.7)
3
(280 cc) front wheel motors and
Relief Valve Pressure
psi (BAR)
4350 (300)
3625 (250)
315 (21.7)
1167 (80.5) in Reel Motors
1450 (100)