Ramsey Winch H-800 DOW-LOK W/25000 LB RATING - Manual (Page 9)

9
HYDRAULIC SYSTEM REQUIREMENTS
Refer to the performance charts, below, to properly match your hydraulic system to H-800
Dow-Lok® winch performance. The charts consist of :
(1) Line pull (lb.) first layer vs. working pressure (PSI). STATIC (solid line) refers to hoisting
a suspended load from rest; DYNAMIC (dotted line) refers to maintaining the motion of a
moving load.
(2) Line speed, first layer (FPM) vs. Flow, gallons per minute (GPM).
Performance based on a motor displacement of 14.9 cubic inches with 30 GPM maximum
flow rate. See page 18 for motor port size.
H-800 Series Performance
25,000 lb. Duty Rating 40:1 Gear Ratio
TYPICAL HYDRAULIC LAYOUT
WORKING PRESSURE, PSI
LINE PULL, LBS.
0
0
10000
5000
20000
15000
25000
DYNA
MIC
STA
T
IC
2000 1000 3000
FLOW, GPM
FIRST LAYER
LINE SPEED, FPM
0
0
10
5
10
15
20
20 30
FIRST LAYER