Manitowoc Grove GRT8120 User Manual

INTRODUCTION GRT8120 OPERATOR MANUAL
1-6
Published 3-22-2021, Control # 702-02
LIST OF SPECIFICATIONS
General
Model . . . . . . . . . . . . . . . . . . . . . . . . . . . GRT8120
Full Vision Cab . . . . . . . . . . . . . . . . . . . . 20° cab tilt
Rated Capacity . . . . See Load Chart Manual in cab
Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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.
Wheelbase . . . . . . . . . . . . . . . . . 4216 mm (166 in)
Length (Frame . . . . . . . . . . . . . . 8632 mm (340 in)
Length (Overall . . . . . . . . . . . . . 13919 mm (548 in)
Width. . . . . . . . . . . . . . . . . . . . . . 3339 mm (131 in)
Height . . . . . . . . . . . . . . . . . . . . . 3748 mm (147 in)
Weight. . . . . . . . . . . . . . . . . . 58920 kg (129896 lb)
Outside Turning Radius
(with Boom Extension Installed)
2 Wheel Steer . . . . . . . . . . . 17.5 m (57 ft 6 in)
4 Wheel Steer . . . . . . . . . . . 11.9 m (39 ft 2 in)
Outside Turning Radius
(without Boom Extension Installed)
2 Wheel Steer . . . . . . . . . . 16.7 m (54 ft 10 in)
4 Wheel Steer . . . . . . . . . . 11.2 m (36 ft 10 in)
Outside Curb Clearance
2 Wheel Steer . . . . . . . . . . . .14 m (45 ft 10 in)
4 Wheel Steer . . . . . . . . . . . . 7.8 m (25 ft 7 in)
Capacities
Fuel Tank (Usable) . . . . . . . . . . . . . . 271 L (72 gal)
Engine Cooling System. . . . . . . . . 52.7 L (13.9 gal)
Engine Cooling System (Liquid Coolant
Conditioner). . . . . . (test and add, as necessary)
Engine Crankcase with filter (Tier 4) . .20 L (5.3 gal)
Hydraulic Tank (Reservoir Capacity)
Total . . . . . . . . . . . . . . . . . 1029.4 L (271.9 gal)
Full Level . . . . . . . . . . . . . . 926.5 L (244.8 gal)
Hoist Drums (each) . . . . . . . . . . . . . . 4.9 L (1.3 gal)
Swing Drive Gearbox . . . . . . . . . . . . . . .4 L (4.4 qt)
Swing Drive Gearbox
Brake Assembly . . . . . . . . . . . . . . . 0.3 L (0.6 pt)
Axle Planetary Hubs and Wheel
Bearings (each wheel end) . . . . . . 9.8 L (10.4 qt)
Axle Differentials (each) . . . . . . . . . 35.2 L (9.3 gal)
Transmission (includes
Torque Converter) . . . . . . . . . . . . . .41.6 L (44 qt)
Diesel Exhaust Fluid (DEF) Tank . . .37.9 L (10 gal)
Transmission
Gear Ratios — Forward and Reverse
Low Range
1st . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12.59:1
2nd. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.06:1
3rd . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.22:1
High Range
4th . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.33:1
5th . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.08:1
6th . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.76:1
Maximum Drive Speed . . . . . . . 24.1 km/h (15 mph)
with counterweight installed
Torque Converter
Stall Ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.82:1
Charge Pump
Capacity . . . 106 L/min (28 gal/min) @ 2000 rpm
Engine
Cummins QSB 6.7L - Tier 4F
Type . . . . . . . . . . . . . . . . . . . . . . . . .4-cycle, Diesel
with Cummins Compact Catalyst (CCC)
and Selective Catalytic Reduction (SCR)
6-cylinder Turbocharged . . . After-Cooled Engine
Horse Power Rating . 205kW (275 hp) @ 2500 rpm
Maximum Speed, No Load . . . . . . . . . . . . 2700 rpm
Max. Torque . . . . .990 N·m (730 lbf-ft) at 1500 rpm
24 Volt Electrical System . . . . two 12 Volt Batteries
Fuel. . . . . Maximum 15 ppm sulfur content (ULSD)
plus Diesel Exhaust Fluid (DEF)
Cummins QSB 6.7L - Tier 3
Type . . . . . . . . . . . . . . . . . . . . . . . . .4-cycle, Diesel
6-cylinder Turbocharged . . . . After-Cooled Engine
Horse Power Rating . 205kW (275 hp) @ 2500 rpm
Maximum Speed, No Load . . . . . . . . . . . . 2750 rpm
Max. Torque . . . . .990 N·m (730 lbf-ft) at 1500 rpm
24 Volt Electrical System . . . . two 12 Volt Batteries
Fuel. . . . . . . . . . Maximum 5000 ppm Sulfur Diesel
Axles
Total Axle Ratio. . . . . . . . . . . . . . . . . . . . . . 25.98:1
Carrier Ratio . . . . . . . . . . . . . . . . . . . . . . . . . 4.33:1
Planetary Ratio . . . . . . . . . . . . . . . . . . . . . . . . . . 6:1
Steering
Type . . . . . .Independent Hydraulic Power Steering
Front axle . . . . . . . . . .controlled via steering wheel
Rear axle . . . . . . . . . . . .provides infinite variations
controlled via momentary switch in cab
Coordinated Turning Radius
Outside 4 Wheel Steer . . . . . 7.5 m (24 ft 7 in)
Inside 4 Wheel Steer . . . . . . 4.8 m (15 ft 10 in)
Brakes
Type . . . . . . . . . . . . . . 4 Wheel Hydraulic Dry Disc
Acting on all Wheels w/ Dual Calipers
Parking . . . . . . Front Axle Mounted, Spring Applied
Hydraulic Released

Manitowoc Grove GRT8120 Specifications

General

Brand	Manitowoc
Model	Grove GRT8120
Category	Construction Equipment
Language	English