Manitowoc Grove GRT880

INTRODUCTION GRT880 SERVICE MANUAL
1-4
Published 10/19/2017, Control # 618-00
Hydraulic Pumps
NOTE: Pump output figures are theoretical.
Pump #1
Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Piston
Sections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Output - @ loaded engine speed
Section 1 . . . . . . . . . . . . 204.4 L/min (54 gpm)
Pump #2
Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Piston
Sections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Output - @ loaded engine speed
Section 1 . . . . . . . . . . . . 204.4 L/min (54 gpm)
Pump #3
Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Gear
Sections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Output - @ loaded engine speed
Section 1 . . . . . . . . . . . .86.7 L/min (22.9 gpm)
Hoists
Drum Dimensions
Diameter . . . . . . . . . . . . . . . .471 mm (18.5 in)
Length (Standard) . . . . . . . . .559 mm (22.0 in)
Cable, Steel
Diameter . . . . . . . . . . . . . . . . .19 mm (0.75 in)
Length . . . . . . . . . . . . . . . . . . . . 215 m (705 ft)
Max. Permissible Line Pull (35x7)
. . . . . . . . . . . . . . . . . . . . . . . . . 7765 kg (17,120 lb)
Max. Single Line Speed . . . . .148 m/min (487 fpm)
Motor Displacement
High . . . . . . . . . . . . . . . . . . . 85 cc (5.19 cu-in)
Low . . . . . . . . . . . . . . . . . . . 48 cc (2.93 cu-in)
FIGURE 1-1
8901
Reference Only