- Overall Length: 28.9 ft / 8808.72 mm
- Wheelbase: 20.21 ft / 6160 mm
- Tandem Axle Wheelbase: 5.06 ft / 1540 mm
- Front Ground Clearance: 1.93 ft / 587 mm
Published dimensions and weight
John Deere 770G
The John Deere 770G is a motor grader of about 71.2 t; its PowerTech PSS engine is rated at 179.7 hp.
01Published dimensions and weight
Dimensions reference
Measurement reference — not to scale

01Dimensions referenceLength × width × height
02WeightNot publishedNot published
03Selected published values135
Motor graders are commonly used to shape, level and maintain roads, pads and drainage surfaces. Published rows for John Deere 770G include the published “Overall Length” field of 28.9 ft / 8808.72 mm, the published “Wheelbase” field of 20.21 ft / 6160 mm, the published “Tandem Axle Wheelbase” field of 5.06 ft / 1540 mm. These values describe the published configuration; verify the specific machine's configuration, attachments and records.
- Compare the published “Overall Length” field (28.9 ft / 8808.72 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Wheelbase” field (20.21 ft / 6160 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Tandem Axle Wheelbase” field (5.06 ft / 1540 mm) with the specific machine's configuration and records; options and condition can differ.
02Specifications
Published values, clearly grouped.
Published specifications and measurements are organized by section for quick reference.
Dimensions
Overall Length28.9 ft8808.72 mm
Wheelbase20.21 ft6160 mm
Tandem Axle Wheelbase5.06 ft1540 mm
Front Ground Clearance1.93 ft587 mm
Blade Base8.44 ft2570 mm
Front Canopy Height13.5 ft4.12 m
Engine Guard Clearance1.8 ft0.55 m
Ground Clearance1.6 ft487.68 mm
Height - Top Of Rops12.7 ft3.88 m
Height To Top Of Isomount Cab10.44 ft3180 mm
Inside Body Depth - Maximum4.6 ft1.41 m
Inside Body Length18.5 ft5.64 m
Inside Body Width11.9 ft3.63 m
Loading Height - Empty10.3 ft3.14 m
Operating Width15.7 ft4785.36 mm
Outside Body Width12.9 ft3.94 m
Overall Body Length26.8 ft8.17 m
Overall Height - Body Raised27.1 ft8.27 m
Dump Clearance1.7 ft0.52 m
Overall Tire Width12.1 ft3.69 m
Rear Axle - Clearance1.8 ft0.55 m
Rear Axle - Tail8.5 ft2.6 m
Centerline Of Rear Dual Tire Width8.31 ft2.53 m
Wheel Base13 ft3.97 m
Centerline Front Tire Width10.2 ft3.11 m
Engine
Number Of Cylinders66
Net Power Gear 4-6179.7 hp134 kw
Engine Make22402240
Engine ModelPowerTech PSSPowerTech PSS
Net Power Gear 1-2150.2 hp112 kw
Net Power Gear 5-6199.9 hp149 kw
Net Power Gears 7-8210.6 hp157 kw
Displacement927.6 cu in15.3 L
Bore5.4 in137.2 mm
Stroke6.7 in170.2 mm
AspirationSeries turbocharged, charge-air cooledSeries turbocharged, charge-air cooled
Net Power - Iso 9249477 hp355.7 kw
Net Power - Sae J1349477 hp355.7 kw
Net Power - 80/1269/Eec489 hp364.7 kw
Gross Power - Sae J1995515 hp384.1 kw
Rated Engine Speed1700 rpm1700 rpm
Net Torque - Sae J13491834 lb ft2486.6 Nm
Net Power - Iso 14396508 hp378.9 kw
Note (1)Power rating applies at 1,700 rpm when tested under the specified condition for the specified standard.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).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.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.Meets U.S. Environmental Protection Agency Tier 4 and EuropeanUnion Stage IV emission standards.
Operational
Hydraulic System Fluid Capacity16 gal60.5 L
Fuel Capacity110.1 gal416.5 L
Cooling System Fluid Capacity13.5 gal51 L
Transmission Fluid Capacity7.6 gal28.4 L
Circle Gearbox Fluid Capacity1.6 gal5.7 L
Transmission
Transmission TypeDirect-drive John Deere PowerShift PlusDirect-drive John Deere PowerShift Plus
Number Of Gears - Forward88
Number Of Gears - Reverse88
Reverse8.8 mile/h8.8 mile/h
Forward - 17.4 mph12 km/h
Forward - 210.1 mph16.3 km/h
Forward - 313.8 mph22.3 km/h
Forward - 418.5 mph29.8 km/h
Forward - 525.1 mph40.4 km/h
Forward - 633.8 mph54.4 km/h
Forward - 745.8 mph73.8 km/h
NoteMaximum travel speeds with standard 18.00R33 (E4) tires.Maximum travel speeds with standard 18.00R33 (E4) tires.
Steering
Steering StandardsISO 5010:2007ISO 5010:2007
Steer Angle40.5 degrees40.5 degrees
Turning Diameter - Front57.7 ft17.6 m
Turning Circle - Clearance Diameter66.6 ft20.3 m
NoteTarget gross machine operating weight is 71 214 kg (157,000 lb).Target gross machine operating weight is 71 214 kg (157,000 lb).
Front Axle
Wheel Lean20 degrees20 degrees
Oscillation - Total32 degrees32 degrees
Tires
Standard Tire18.00R33 (E4)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.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.Caterpillar recommends the customer evaluates all job conditions and consults the tire manufacturer for proper tire selection.
Moldboard
Moldboard Thickness0.9 in22 mm
Hydraulic System
Pump TypeClosed-center, pressure-compensated load-sensing (PCLS), variable-displacement piston pumpClosed-center, pressure-compensated load-sensing (PCLS), variable-displacement piston pump
Pump Flow56.1 gal/min212 L/min
Relief Valve Pressure2750.1 psi18961 kPa
Circle
Diameter60 in1524 mm
Rotation360 degrees360 degrees
Shift Left31 in787 mm
Shift Right31 in787 mm
Brakes
Brake Surface - Front216 in20.2 m2
Brake Surface - Rear6235 in24.1 m2
Brake StandardsISO 3450:1996ISO 3450:1996
NoteTarget gross machine operating weight is 71 214 kg (157,000 lb).Target gross machine operating weight is 71 214 kg (157,000 lb).
Body Hoists
Pump Flow - High Idle118 gal/min118 gal/min
Relief Valve Setting - Raise2750 psi2750 psi
Body Raise Time - High Idle7.5 s7.5 s
Body Lower Time - Float10 s10 s
Body Power Down - High Idle10 s10 s
Relief Valve Setting - Lower500 psi500 psi
Final Drives
Planetary Ratio4.80:14.80:1
Differential Ratio1.92:11.92:1
Total Reduction Ratio9.26:19.26:1
Operating Specifications
Nominal Payload Class (100%)84200 lb38192.5 kg
Top Speed - Loaded45.8 mph73.8 km/h
Body Capacity - Sae 2:132.9 yd325.2 m3
Target Payload Capacity84200 lb38192.5 kg
Maximum Payload Class (110%)92600 lb42002.7 kg
Not To Exceed Payload (120%)101000 lb45812.8 kg
Note (1)Refer to the Caterpillar 10/10/20 Overload Policy for maximum gross machine weight limitations.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.Capacity with dual slope body with no liner.
Service Refill Capacities
Cooling System33 gal125 L
Differential - Final Drives47 gal178 L
Steering Tank14.5 gal54.9 L
Steering System - Including Tank23 gal87.1 L
Fuel Tank140 gal530 L
Crankcase17 gal64.4 L
Torque Converter - Transmission System17 gal64.4 L
Brake/Hoist Hydraulic Tank38 gal143.9 L
Brake Hoist System60 gal227.2 L
Def Tank6 gal22.8 L
Weight Distributions - Approximate
Front Axle - Empty49 %49 %
Front Axle - Loaded34 %34 %
Rear Axle - Empty51 %51 %
Rear Axle - Loaded66 %66 %
Weights - Approximate
Target Gross Machine Operating Weight157000 lb71214.1 kg
Chassis Weight55948 lb25377.6 kg
Body Weight17306 lb7849.9 kg
Target Gross Machine Weight157000 lb71214.1 kg
Note (1)Chassis weight with 100% fuel, hoist, body mounting group, rimsand tires.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.Body weight is the standard dual slope body with no liner and will vary depending on configuration.
Capacity - Dual Slope - 100% Fill Factor
Struck23.1 yd317.6 m3
Heaped 2:1 (Sae)32.9 yd325.2 m3
Capacity - Flat Floor - 100% Fill Factor
Struck23.1 yd317.6 m3
Heaped 2:1 (Sae)32.9 yd325.2 m3
Rops
Rops StandardsROPS (Rollover Protective Structure) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria.ROPS (Rollover Protective Structure) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria.
Fops StandardsFOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II FOPS criteria.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.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.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).Exterior sound pressure power level for standard machine measured according to tests specified in ISO 6395:2008 is 116 dB(A).
Suspension
Rear Axle - Oscillation8.9 degrees8.9 degrees
Empty Loaded Cylinder Stroke Front9.2 in233.7 mm
Empty Loaded Cylinder Stroke Rear5.9 in149.9 mm
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Manufacturer-published specifications.