John Deere 772G Motor Grader

Dimensions

Overall Length 28.9 ft in (8808.72 mm)
Wheelbase 20.21 ft in (6160 mm)
Blade Base 8.44 ft in (2570 mm)
Dump Clearance 1.5 ft in (0.46 m)
Engine Guard Clearance 2 ft in (0.61 m)
Front Canopy Height 13.7 ft in (4.18 m)
Ground Clearance 1.6 ft in (487.68 mm)
Height – Top Of Rops 12.8 ft in (3.91 m)
Inside Body Depth – Maximum 5.7 ft in (1.74 m)
Inside Body Length 19 ft in (5.8 m)
Inside Body Width 11.9 ft in (3.63 m)
Loading Height – Empty 11.6 ft in (3.54 m)
Operating Width 15.7 ft in (4785.36 mm)
Outside Body Width 12.9 ft in (3.94 m)
Overall Body Length 26.8 ft in (8.17 m)
Overall Height – Body Raised 27.1 ft in (8.27 m)
Centerline Of Rear Dual Tire Width 8.7 ft in (2.66 m)
Overall Tire Width 12.9 ft in (3.94 m)
Rear Axle – Clearance 1.9 ft in (0.58 m)
Rear Axle – Tail 9.5 ft in (2.9 m)
Wheel Base 13 ft in (3.97 m)
Centerline Front Tire Width 10.4 ft in (3.17 m)

Engine Details

Number Of Cylinders 6
Engine Make John Deere
Engine Model PowerTech PSS 9.0L
Displacement 1105 cu in (18.2 L)
Bore 5.7 in (144.8 mm)
Stroke 7.2 in (182.9 mm)
Net Power – Iso 9249 550 hp (410.2 kw)
Net Power – Sae J1349 550 hp (410.2 kw)
Gross Power – Sae J1995 605 hp (451.2 kw)
Engine Model Cat C18 ACERT
Rated Engine Speed 1700 rpm
Net Torque – Sae J1349 2221 lb ft (3011.3 Nm)
Engine Power – Iso 14396 598 hp (446 kw)

Operational Specs

Hydraulic System Fluid Capacity 16 gal (60.5 L)
Max Operation Weight – Total 44570.9 lb (20217 kg)
Fuel Tank Capacity 110 gal (416.4 L)
Tire Size 14.00 – 24

Transmission

Number Of Gears – Forward 8
Number Of Gears – Reverse 8
Max Speed – Forward 28.3 mph (45.6 km/h)
Max Speed – Reverse 28.3 mph (45.6 km/h)
Reverse 10.4 mile/h
Forward – 1 8 mph (12.9 km/h)
Forward – 2 10.9 mph (17.6 km/h)
Forward – 3 14.8 mph (23.9 km/h)
Forward – 4 19.8 mph (31.9 km/h)
Forward – 5 26.9 mph (43.3 km/h)
Forward – 6 36.2 mph (58.3 km/h)
Forward – 7 49.2 mph (79.2 km/h)

Steering

Steering Standards ISO 5010:2007
Steer Angle 31 degrees
Turning Diameter – Front 57.7 ft in (17.6 m)
Turning Circle – Clearance Diameter 66.6 ft in (20.3 m)

Tires

Standard Tire 21.00R33 (E4)

Hydraulic System

Pump Flow 56.1 gal/min (212 L/min)
Relief Valve Pressure 2750.1 psi (18961 kPa)

Circle

Rotation 360 degrees

Brakes

Brake Surface – Front 216 in2 (0.2 m2)
Brake Surface – Rear 7794 in2 (5.1 m2)
Brake Standards ISO 3450:1996

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 2.74:1
Total Reduction Ratio 13.14:1

Operating Specifications

Nominal Payload Class (100%) 103200 lb (46810.7 kg)
Top Speed – Loaded 49.2 mph (79.2 km/h)
Body Capacity – Sae 2:1 40.8 yd3 (31.2 m3)
Target Payload Capacity 103200 lb (46810.7 kg)
Maximum Payload Class (110%) 113400 lb (51437.4 kg)
Not To Exceed Payload (120%) 123800 lb (56154.7 kg)

Service Refill Capacities

Cooling System 33 gal (125 L)
Differential – Final Drives 47 gal (178 L)
Steering Tank 14.5 gal (54.9 L)
Steering System – Including Tank 23 gal (87.1 L)
Fuel Tank Capacity 140 gal (530 L)
Crankcase 17 gal (64.4 L)
Torque Converter – Transmission System 17 gal (64.4 L)
Brake/Hoist Hydraulic Tank 38 gal (143.9 L)
Brake Hoist System 60 gal (227.2 L)
Def Tank 6 gal (22.8 L)

Weight Distributions – Approximate

Front Axle – Empty 51.4 %
Front Axle – Loaded 34.2 %
Rear Axle – Empty 48.6 %
Rear Axle – Loaded 65.8 %

Weights – Approximate

Target Gross Machine Operating Weight 181000 lb (82100.3 kg)
Chassis Weight 59223 lb (26863.2 kg)
Body Weight 17306 lb (7849.9 kg)
Target Gross Machine Weight 181000 lb (82100.3 kg)

Capacity – Dual Slope – 100% Fill Factor

Struck 31.3 yd3 (24 m3)
Heaped 2:1 (Sae) 40.8 yd3 (31.2 m3)

Capacity – Flat Floor – 100% Fill Factor

Struck 31.3 yd3 (24 m3)
Heaped 2:1 (Sae) 40.9 yd3 (31.3 m3)

Rops

Rops Standards ROPS (Rollover Protective Structure) for cab offered by CAT 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 (Leq) is 74 dB(A) when ISO 6396:2008 is used to measure the value for an enclosed cab.
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 115 dB(A).

Suspension

Rear Axle – Oscillation 8.9 degrees
Empty Loaded Cylinder Stroke Front 9.2 in (233.7 mm)
Empty Loaded Cylinder Stroke Rear 5.8 in (147.4 mm)
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