John Deere 770G Motor Grader

Weights
Body Weight

17306 lb

Chassis Weight

55948 lb

Target Gross Machine Weight

157000 lb

Blade
Blade Base

8.44 ft in

Engine & Fuel System
Engine Guard Clearance

1.8 ft in

Engine Make

2240

Engine Model

Cat C15 ACERT

Rated Engine Speed

1700 rpm

Fuel Capacity

110.1 gal

Fuel Tank

140 gal

Gross Power - Sae J1995

515 hp

Net Torque - Sae J1349

1834 lb ft

Net Power - 80/1269/Eec

489 hp

Net Power Gear 1-2

150.2 hp

Net Power Gear 4-6

179.7 hp

Net Power Gear 5-6

199.9 hp

Net Power Gears 7-8

210.6 hp

Net Power - Iso 14396

508 hp

Net Power - Iso 9249

477 hp

Net Power - Sae J1349

477 hp

Number Of Cylinders

6

Aspiration

Series turbocharged, charge-air cooled

Cooling System

33 gal

Cooling System Fluid Capacity

13.5 gal

Displacement

927.6 cu in

Drive System
Brake/Hoist Hydraulic Tank

38 gal

Brake Hoist System

60 gal

Brake Standards

ISO 3450:1996

Brake Surface - Front

216 in2

Brake Surface - Rear

6235 in2

Differential - Final Drives

47 gal

Steering Standards

ISO 5010:2007

Steering Tank

14.5 gal

Operating Specs
Operating Width

15.7 ft in

Hydraulic System
Pump Flow

56.1 gal/min

Pump Flow - High Idle

118 gal/min

Pump Type

Closed-center, pressure-compensated load-sensing (PCLS), variable-displacement piston pump

Relief Valve Pressure

2750.1 psi

Relief Valve Setting - Lower

500 psi

Relief Valve Setting - Raise

2750 psi

Dimensions, Wheels & Tires
Centerline Front Tire Width

10.2 ft in

Overall Tire Width

12.1 ft in

Standard Tire

18.00R33 (E4)

Tandem Axle Wheelbase

5.06 ft in

Wheelbase

20.21 ft in

Dump Clearance

1.7 ft in

Front Ground Clearance

1.93 ft in

Ground Clearance

1.6 ft in

Rear Axle Clearance

1.8 ft in

Overall Length

28.9 ft in

Height To Top Of Isomount Cab

10.44 ft in

Overall Height - Body Raised

27.1 ft in

Wheel Base

13 ft in

Height - Top Of Rops

12.7 ft in

Rops Standards

ROPS (Rollover Protective Structure) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria.

Fops Standards

FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II FOPS criteria.

Transmission
Circle Gearbox Fluid Capacity

1.6 gal

Transmission Fluid Capacity

7.6 gal

Transmission Type

Direct-drive John Deere PowerShift Plus

Number Of Gears - Forward

8

Number Of Gears - Reverse

8

Top Speed - Loaded

45.8 mph

Forward - 1

7.4 mph

Forward - 2

10.1 mph

Forward - 3

13.8 mph

Forward - 4

18.5 mph

Forward - 5

25.1 mph

Forward - 6

33.8 mph

Forward - 7

45.8 mph

Reverse

8.8 mile/h

Technical Specs
Front Canopy Height

13.5 ft in

Inside Body Depth - Maximum

4.6 ft in

Inside Body Length

18.5 ft in

Inside Body Width

11.9 ft in

Loading Height - Empty

10.3 ft in

Outside Body Width

12.9 ft in

Overall Body Length

26.8 ft in

Rear Axle - Tail

8.5 ft in

Bore

5.4 in

Stroke

6.7 in

Note (3)

No engine derating required up to 3000 m (9,843 ft) altitude.

Note (4)

Meets U.S. Environmental Protection Agency Tier 4 and EuropeanUnion Stage IV emission standards.

Steer Angle

40.5 degrees

Turning Diameter - Front

57.7 ft in

Wheel Lean

20 degrees

Oscillation - Total

32 degrees

Moldboard Thickness

0.9 in

Diameter

60 in

Rotation

360 degrees

Shift Left

31 in

Shift Right

31 in

Note

Target gross machine operating weight is 71 214 kg (157,000 lb).

Body Raise Time - High Idle

7.5 s

Body Lower Time - Float

10 s

Body Power Down - High Idle

10 s

Planetary Ratio

4.80:1

Differential Ratio

1.92:1

Total Reduction Ratio

9.26:1

Nominal Payload Class (100%)

84200 lb

Body Capacity - Sae 2:1

32.9 yd3

Target Payload Capacity

84200 lb

Maximum Payload Class (110%)

92600 lb

Not To Exceed Payload (120%)*

101000 lb

Crankcase

17 gal

Def Tank*

6 gal

Note (1)

Chassis weight with 100% fuel, hoist, body mounting group, rimsand tires.

Note (2)

Body weight is the standard dual slope body with no liner and will vary depending on configuration.

Struck

23.1 yd3

Heaped (2:1, Sae)

32.9 yd3

Sound Standards (3)

Operator Equivalent Sound Pressure Level is 79 dB(A) & 74 dB(A) with EU sound suppression applied when ISO 6396:2008 is used.

Sound Standards (1)

Hearing protection may be needed when operating with open operator station & cab for extended periods or in noisy environment.

Sound Standards (2)

Exterior sound pressure power level for standard machine measured according to tests specified in ISO 6395:2008 is 116 dB(A).

Rear Axle Oscillation

8.9 degrees