Manitowoc Grove RT770E User Manual

Grove 1-5
RT770E OPERATOR MANUAL INTRODUCTION
1
Published 04-04-2017, Control # 446-09
LIST OF SPECIFICATIONS
General
Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . RT770E
Rated Capacity. . . . . . . . . . .See Load Chart in cab
Drive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 x 4 x 4
Gross Weight . . See Axle Weight Distribution Table
Dimensions
NOTE: Dimensions listed are for a crane with all
components fully retracted in the travel mode with
29.5 x 25 tires.
Wheelbase . . . . . . . . . . . . . . . . . . . 4.06 m (160 in)
Overall Crane Length . . . . . . . . . . . 13.6 m (44.6 ft)
Overall Crane Width. . . . . . . . . . . . .3.33 m (11.0 ft)
Overall Crane Height . . . . . . . . . . . 3.60 m (10.9 ft)
Outside Turning Radius
2 Wheel Steer . . . . . . . 11.342 m (37 ft 2.55 in)
4 Wheel Steer . . . . . . .6.744 mm (22 ft 1.5 in)
Outside Curb Clearance
2 Wheel Steer . . . . . . . . . 11.7 m (38 ft 5.88 in)
4 Wheel Steer . . . . . . . . . . 7.1 m (23 ft 3.5 in)
Outrigger Spread
Retracted. . . . . . . . . . . . . . . .3.18 m (10 ft 5 in)
Mid Extend . . . . . . . . . . . . . .5.28 m (17 ft 4 in)
Fully Extended . . . . . . . . . . .7.11 m (23 ft 4 in)
Capacities
Fuel Tank . . . . . . . . . . . . . . . . . . .280 liters (74 gal)
Coolant System . . . . . . . . . . . . . . . . . . See Engine
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Specifications
Engine Lubrication System . . . . . . . . . See Engine
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .Specifications
Hydraulic Tank (Reservoir Capacity)
Total. . . . . . . . . . . . . . . . . . . . 717 L (189.5 gal)
Hoists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Model GHP-30A . . . . . . . . . . . 14.7 L (15.5 qt)
Swing Gearbox. . . . . . . . . . . . . . . . . 4.9 L (5.25 qt)
Axle Planetary Ends. . . . . . . . . . . . . . . . . 4 L (8 pt)
Axle Differentials . . . . . . . . . . . . . . . . . 23 L (48 pt)
Transmission (includes Torque Converter)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 L (40 qt)
Torque Converter
Stall Ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.82:1
Charge Pump Capacity . . . . . . . 76 L/min (20 gpm)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .@ 2000 rpm
Transmission
Gear Ratios
Forward and Reverse
Low Range
1st . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12.59
2nd . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.06
3rd. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.22
High Range
4th . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.33
5th . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.08
6th . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.76
Engine
Cummins QSB 6.7
Type . . . . . . . . . . . . . 4 cycle, Diesel, Turbocharged
Number of Cylinders . . . . . . . . . . . . . . . . . . . . . . .6
Horse Power Rating. 179 kW (240 hp) @ 2500 rpm
Oil Pan Capacity . . . . . . . . . . . . . . .15.6 L (18.5 qt)
Coolant System . . . . . . . . . . . . . . . . . . .38 L (40 qt)
Axles
Total Ratio . . . . . . . . . . . . . . . . . . . . . . . . . 24.817:1
Carrier Ratio . . . . . . . . . . . . . . . . . . . . . . . . . 5.86:1
Planetary Ratio . . . . . . . . . . . . . . . . . . . . . .4.235:1
Brakes
Type . . . . . . . . . . . . . . . . . . . . . . . . . Hydraulic Disc
Size . . . . . . . . . . . . . . 470 x 16 mm (18.5 x 0.63 in)
Wheels and Tires
Lugs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Torque . . . . . . . . . 461 to 488 Nm (340 to 360 lb-ft)
Tire Size
Standard . . . . . . . . . . . .29.5 x 25, 28 ply rating
Optional . . . . . . . . . . . . 29.5R25, 34 ply rating
NOTE: For roading and lifting pressures, refer to the Load
Chart Book in the cab.
Swing Gearbox
Reduction Ratio . . . . . . . . . . . . . . . . . . . . . . . . 36:1
Output Torque . . . . . . . . . . . . . . . . . . . 45,000 in-lb
Boom
Length . . . . . . . . . . . . . 11 to 42 m (35.9 to 137.9 ft)
Power. . . . . . . . . . . . . . . 5 Tele Section, Full Power
Elevation . . . . . . . . . . . . . . . . . . .-3 to +78 degrees
Extensions
Fixed* . . . . . . . . . . . . . . . . . . . . . 10 m (32.6 ft)
Folding*. . . . . . . . . . . 10 or 17 m (32.6 or 56 ft)
*Extensions are offsettable at 0, 25, or 45
degrees.
Swivel Assembly
Electrical . . . . . . . . . . . . . . . . . . . . . . 20 Slip Rings
Hydraulic . . . . . . . . . . . . . . . . . . . . . . . . . . 12 ports
Water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 ports
Hydraulic Pumps
NOTE: Pump output figures are theoretical.
Pump #1
Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Gear
Sections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Output - @ loaded engine speed
Section 1. . . . . . . . . . . . .191 L/min (50.4 gpm)
Section 2. . . . . . . . . . . . . .95 L/min (25.1 gpm)
Pump #2
Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Gear
Sections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Output - @ loaded engine speed
Section 1. . . . . . . . . . . . .105 L/min (27.8 gpm)

Manitowoc Grove RT770E Specifications

General

Brand	Manitowoc
Model	Grove RT770E
Category	Construction Equipment
Language	English