John Deere 770G Motor Grader
Dimensions
Dimensions
Overall Length
28.9ft in
Wheelbase
20.21ft in
Tandem Axle Wheelbase
5.06ft in
Front Ground Clearance
1.93ft in
Blade Base
8.44ft in
Front Canopy Height
13.5ft in
Engine Guard Clearance
1.8ft in
Ground Clearance
1.6ft in
Height - Top Of Rops
12.7ft in
Height To Top Of Isomount Cab
10.44ft in
Inside Body Depth - Maximum
4.6ft in
Inside Body Length
18.5ft in
Inside Body Width
11.9ft in
Loading Height - Empty
10.3ft in
Operating Width
15.7ft in
Outside Body Width
12.9ft in
Overall Body Length
26.8ft in
Overall Height - Body Raised
27.1ft in
Dump Clearance
1.7ft in
Overall Tire Width
12.1ft in
Rear Axle - Clearance
1.8ft in
Rear Axle - Tail
8.5ft in
Centerline Of Rear Dual Tire Width
8.31ft in
Wheel Base
13ft in
Centerline Front Tire Width
10.2ft in
Specifications
Engine
Number Of Cylinders
6
Net Power Gear 4-6
179.7hp
Engine Make
2240
Engine Model
PowerTech PSS
Net Power Gear 1-2
150.2hp
Net Power Gear 5-6
199.9hp
Net Power Gears 7-8
210.6hp
Displacement
927.6cu in
Bore
5.4in
Stroke
6.7in
Aspiration
Series turbocharged, charge-air cooled
Net Power - Iso 9249
477hp
Net Power - Sae J1349
477hp
Net Power - 80/1269/Eec
489hp
Gross Power - Sae J1995
515hp
Engine Model
Cat C15 ACERT
Rated Engine Speed
1700rpm
Net Torque - Sae J1349
1834lb ft
Net Power - Iso 14396
508hp
Note (1)
Power rating applies at 1,700 rpm when tested under the specified condition for the specified standard.
Note (2)
Ratings based on SAE J1995 standard air conditions of 25 degreesC (77 degreesF) and 100 kPa (29.61 Hg) barometer. Power based on fuel having API gravity of 35 at 16 degrees C (60 degrees F) and an LHV of 42780kJ/kg (18,390 BTU/lb) when engine used at 30 degrees C (86 degrees F).
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.
Operational
Hydraulic System Fluid Capacity
16gal
Fuel Capacity
110.1gal
Cooling System Fluid Capacity
13.5gal
Transmission Fluid Capacity
7.6gal
Circle Gearbox Fluid Capacity
1.6gal
Transmission
Transmission Type
Direct-drive John Deere PowerShift Plus
Number Of Gears - Forward
8
Number Of Gears - Reverse
8
Reverse
8.8 mile/h
Forward - 1
7.4mph
Forward - 2
10.1mph
Forward - 3
13.8mph
Forward - 4
18.5mph
Forward - 5
25.1mph
Forward - 6
33.8mph
Forward - 7
45.8mph
Steering
Steering Standards
ISO 5010:2007
Steer Angle
40.5degrees
Turning Diameter - Front
57.7ft in
Turning Circle - Clearance Diameter
66.6ft in
Note
Target gross machine operating weight is 71 214 kg (157,000 lb).
Transmission
Note
Maximum travel speeds with standard 18.00R33 (E4) tires.
Front Axle
Wheel Lean
20degrees
Oscillation - Total
32degrees
Tires
Standard Tire
18.00R33 (E4)
Note (1)
Productive capabilities of the 770G truck are such that, under certain job conditions, TKPH (TMPH) capabilities of standard or optional tires could be exceeded and, therefore, limit production.
Note (2)
Caterpillar recommends the customer evaluates all job conditions and consults the tire manufacturer for proper tire selection.
Moldboard
Moldboard Thickness
0.9in
Hydraulic System
Pump Type
Closed-center, pressure-compensated load-sensing (PCLS), variable-displacement piston pump
Pump Flow
56.1gal/min
Relief Valve Pressure
2750.1psi
Circle
Diameter
60in
Rotation
360degrees
Shift Left
31in
Shift Right
31in
Brakes
Brake Surface - Front
216in2
Brake Surface - Rear
6235in2
Brake Standards
ISO 3450:1996
Note
Target gross machine operating weight is 71 214 kg (157,000 lb).
Body Hoists
Pump Flow - High Idle
118 gal/min
Relief Valve Setting - Raise
2750 psi
Body Raise Time - High Idle
7.5 s
Body Lower Time - Float
10 s
Body Power Down - High Idle
10 s
Relief Valve Setting - Lower
500 psi
Final Drives
Planetary Ratio
4.80:1
Differential Ratio
1.92:1
Total Reduction Ratio
9.26:1
Operating Specifications
Nominal Payload Class (100%)
84200lb
Top Speed - Loaded
45.8mph
Body Capacity - Sae 2:1
32.9yd3
Target Payload Capacity
84200lb
Maximum Payload Class (110%)
92600lb
Not To Exceed Payload (120%)
101000lb
Note (1)
Refer to the Caterpillar 10/10/20 Overload Policy for maximum gross machine weight limitations.
Note (2)
Capacity with dual slope body with no liner.
Service Refill Capacities
Cooling System
33gal
Differential - Final Drives
47gal
Steering Tank
14.5gal
Steering System - Including Tank
23gal
Fuel Tank
140gal
Crankcase
17gal
Torque Converter - Transmission System
17gal
Brake/Hoist Hydraulic Tank
38gal
Brake Hoist System
60gal
Def Tank
6gal
Weight Distributions - Approximate
Front Axle - Empty
49 %
Front Axle - Loaded
34 %
Rear Axle - Empty
51 %
Rear Axle - Loaded
66 %
Weights - Approximate
Target Gross Machine Operating Weight
157000lb
Chassis Weight
55948lb
Body Weight
17306lb
Target Gross Machine Weight
157000lb
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.
Capacity - Dual Slope - 100% Fill Factor
Struck
23.1yd3
Heaped 2:1 (Sae)
32.9yd3
Capacity - Flat Floor - 100% Fill Factor
Struck
23.1yd3
Heaped 2:1 (Sae)
32.9yd3
Rops
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.
Sound
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).
Suspension
Rear Axle - Oscillation
8.9degrees
Empty Loaded Cylinder Stroke Front
9.2in
Empty Loaded Cylinder Stroke Rear
5.9in
