Front left studio view of 670 G-Tier Motor Grader with stylized G in upper left corner

670 G-Tier

With exceptional machine stability, comfortable operator controls, and effortless grading precision, the 670 G-Tier Motor Grader excels at leveling the landscape.

Key Features:
  • Net Power: 235 hp (175 kW)
  • Operating Weight: 42,223 lb. (19,152 kg)
  • Blade Pull: 34,173 lb. (15,501 kg)
  • Net Torque Rise: 56%
Operator Essentials
View inside G-Tier motor grader cab showing steering wheel and lever controls on forward rack

Conventional lever-operated mechanical controls arranged in an ergonomic antler-rack configuration and centralized machine-function switches provide for intuitive use. Auto-Shift Plus automatically shifts through roading gears without the need to use the inching pedal.

Foundational Circle Options
Single input drive with slip clutch on motor grader

John Deere offers three circle options for motor graders: the premium circle, which boosts torque and speed while requiring minimal service; the single input circle for lighter‑load applications; and the dual input circle for heavier‑load use and improved gearbox durability. An optional slip clutch (standard on the premium circle) protects key components when the moldboard hits an immovable object.

Simple and Practical Maintenance
Rear left overhead studio view of motor grader with maintenance access panels open and fan assembly swung out

All daily service points are grouped on the left side of the machine for convenient ground-level access. On the right, periodic-service points including the engine oil, hydraulic, transmission, differential, and fuel filter bank are within easy reach. Cooling package minus stacked coolers plus hinged swing-out fan simplifies core cleanout.

Description: 670 G-Tier
Key Specs
Net Engine Power Gear 8235 hp
Net Torque Rise56 %
Blade Pull At Maximum Operating Weight34173 lb.
Typical Maximum Operating Weight55000 lb.
Engine
Non-Road Emission StandardsEPA Final Tier 4/EU Stage V
Manufacturer And ModelJohn Deere PowerTech™ PSS 9.0L
Cylinders6
Displacement548 cu in.
Net Engine Power Gear 1180 hp
Net Engine Power Gear 2190 hp
Net Engine Power Gear 3205 hp
Net Engine Power Gear 4210 hp
Net Engine Power Gear 5220 hp
Net Engine Power Gear 6225 hp
Net Engine Power Gear 7230 hp
Net Engine Power Gear 8235 hp
Net Peak Torque904 lb-ft
Net Torque Rise56 %
AspirationSeries turbocharged, charge-air cooled
LubricationFull-flow spin-on filter and integral cooler
Air Cleaner With Restriction IndicatorDual element, dry
Cooling
Engine Coolant Rating-34 °F
Powertrain
Transmission TypeDirect-drive John Deere PowerShift Plus™, modulated shift-on-the-go, Event-Based Shifting (EBS), inching pedal; independent transmission reservoir with separate filtration and cooling system
Transmission Gears Forward8
Transmission Gears Reverse8
Maximum Travel SpeedsNo tire slip at 2,180 rpm, 14.0-R24 tires
Maximum Travel Speeds Gear 12.5 mph
Maximum Travel Speeds Gear 23.5 mph
Maximum Travel Speeds Gear 34.8 mph
Maximum Travel Speeds Gear 46.8 mph
Maximum Travel Speeds Gear 510.2 mph
Maximum Travel Speeds Gear 614.4 mph
Maximum Travel Speeds Gear 720.1 mph
Maximum Travel Speeds Gear 828.3 mph
Front AxleHeavy-duty welded fabrication
Front Axle Oscillation, Total32 degrees
Front Axle Wheel Lean Angle, Each Direction20 degrees
DifferentialsSpiral bevel; hydraulically actuated, clutch type can be applied on-the-go; selectable manual or automatic differential lock
Steering (All Models Include Steering Wheel)All-hydraulic power-frame articulation for maneuverability and productivity; crab steering reduces side drift, positions tandems on firm ground, and increases side-slope stability
Turning Radius: Front Steer And Articulation284 in.
Turning Radius: Front Steer And Articulation23.67 ft
Articulation (Both Right And Left)22 degrees
Final DrivesInboard-mounted planetary sealed in cooled, filtered oil
BrakesFoot-controlled, hydraulically operated, multiple wet-disc brakes sealed in pressurized, cooled, filtered oil; both independent systems effective on all 4 tandem wheels
Primary And Secondary BrakesHydraulically actuated, inboard of tandem pivot, self-adjusting, sealed in cooled and filtered oil, multi-disc (ISO 3450)
Parking BrakeAutomatically spring applied, hydraulically released, oil cooled, self-adjusting (ISO 3450)
Hydraulics
TypeClosed-center, pressure-compensated load-sensing (PCLS), variable-displacement piston pump
Maximum Pump Flow56 gpm
Maximum System Pressure2750 psi
Pump Displacement5.5 cu in.
Blade Function
Blade TypeAll-hydraulic, industry-standard lever placement of blade-function controls; includes float position; 7 discrete saddle positions
Blade Range Lift Above Ground19.3 in.
Blade Range Blade Side Shift, Right Or Left26.9 in.
Pitch At Ground Line Forward42 degrees
Pitch At Ground Line Back5 degrees
Shoulder Reach Outside Wheels (Frame Straight), Right Or Left82 in.
Shoulder Reach Outside Wheels (Frame Straight), Right Or Left6.83 ft
Bank Cut Angle, Right Or Left90 degrees
Blade Pull
Blade Pull At Maximum Operating Weight34173 lb.
Electrical
Voltage24 V
Number Of Batteries2
Battery Capacity1400 CCA
Reserve Capacity440 min.
Amp Hour Rating224 amp-hr
Base Alternator Rating130 amp
LightsDriving lights; 2 high- and 2 low-beam halogen headlights; front and rear LED turn signals and marker lights; LED brake and hazard warning lights
Mainframe
Mainframe TypesWelded box construction
Width, Minimum12.1 in.
Height, Minimum12.1 in.
Thickness, Side0.63 in.
Thickness, Top And Bottom Plate0.89 in.
Draft Frame (Drawbar)
Draft Frame TypeWelded box construction machined for flatness with double ball-and-socket pivot connection
Circle
Circle TypeWelded construction, heat-treated, machined for flatness
Standard Circle Diameter60 in.
Premium Circle Diameter60 in.
Standard Circle Rotation360 degrees
Premium Circle Rotation360 degrees
Standard Circle Rotation SurfaceQuick-change bronze or nylon wear inserts
Premium Circle Rotation SurfaceSealed and lubricated roller element slewing bearing
Standard Circle Pinion/Ring Gear ConnectionAdjustable backlash and open for serviceability
Premium Circle Pinion/Ring Gear ConnectionNo adjustment; fully sealed and lubricated
Standard Circle DriveHydraulic motor and worm gear with positive lock
Premium Circle DriveHydraulic motor and worm gear with positive lock
Standard Circle Slip ClutchOption
Premium Circle Slip ClutchStandard
Standard Circle Circle Side Shift Right31 in.
Premium Circle Circle Side Shift Right31 in.
Standard Circle Circle Side Shift Left31 in.
Premium Circle Circle Side Shift Left31 in.
Moldboard
Moldboard MaterialHigh-strength, pre-stressed for higher strength; wear-resistant, high-carbon steel and reversible end bits
Moldboard TypeBlade side-shift wear system includes quick-change replaceable wear inserts and quick-adjust jackscrew system
Base Length144 in.
Height24 in.
Thickness0.88 in.
Cutting Edge
Cutting Edge TypeDura-Max™ through-hardened steel edge
Thickness0.62 in.
Width6 in.
Scarifier
Front TypeV-type toolbar with 2-pitch positions and hydraulic float
Midmount TypeRadial linkage, with NeverGrease™ pin joints; V-type manual 3-pitch positions and hydraulic float
Front Width Of Cut48 in.
Front Width Of Cut4 ft
Midmount Width Of Cut46.7 in.
Midmount Width Of Cut3.92 ft
Front Number Of Shanks/Teeth5
Front Number Of Shanks/Teeth (Maximum)9
Midmount Number Of Shanks/Teeth11
Front Lift Above Ground23.2 in.
Midmount Lift Above Ground13.2 in.
Front Maximum Depth (in.)13.2 in.
Midmount Maximum Depth12.8 in.
Front Shank Spacing5.75 in.
Midmount Shank Spacing4.6 in.
Front Shank Size (in. x in.)1 x 3
Midmount Shank Size (in. x in.)1 x 3
Front Lift Group (Balderson-Style)
Front Lift Group TypeParallel linkage, mechanical pins, and hydraulic float
Lift Above Ground (Top Of Tube)27.8 in.
Dozer Blade
Front Dozer Blade TypeParallel linkage and hydraulic float
Lift Above Ground27.8 in.
Rear Ripper/Scarifier
TypeParallel linkage, with NeverGrease pin joints, hydraulic float, and integrated hitch
Ripper Width Of Cut87.2 in.
Ripper Width Of Cut (ft. in)7.25 ft
Scarifier Width Of Cut86 in.
Scarifier Width Of Cut7.17 ft
Ripper Number Of Shanks/Teeth3
Ripper Number Of Shanks/Teeth Maximum Capacity5
Scarifier Number Of Shanks/Teeth Maximum Capacity9
Ripper Lift Above Ground23.7 in.
Scarifier Lift Above Ground31.9 in.
Ripper Maximum Depth16.8 in.
Scarifier Maximum Depth12.7 in.
Ripper Shank Size (in. x in.)2.42 x 5.25
Scarifier Shank Size (in. x in.)1 x 3
Operator Station
Rollover Protective StructureROPS (ISO 3471-2008)
Falling Object Protective StructureFOPS (ISO 3449-2005)
Wheels And Tires Option 1
Wheel Size14R24 on 254-mm (10 in.) Rim
Wheel Size Wheel Tread On Ground82 in.
Wheel Size Ground Clearance (Front Axle)23.1 in.
Wheels And Tires Option 2
Wheel Size17.5R25 on 356-mm (14 in.) Rim
Wheel Size Wheel Tread On Ground85 in.
Wheel Size Ground Clearance (Front Axle)23.1 in.
Refill Capacities
Engine TypeEPA Final Tier 4/EU Stage V
Fuel Tank105 gal.
Diesel-Exhaust Fluid (DEF) Tank6 gal.
Cooling System14.5 gal.
Engine Oil With Filter7.5 gal.
Transmission Fluid7.5 gal.
Differential Housing10 gal.
Tandem Housings (Each)19.5 gal.
Circle Gearbox1.5 gal.
Hydraulic Reservoir16 gal.
Operating Weights
Front9259 lb.
Rear26010 lb.
Total35270 lb.
Typical Operating Weight With Equipment
Front12105 lb.
Rear30118 lb.
Total42223 lb.
Typical Maximum Operating Weight55000 lb.
Option Weights
14-ft x 27-in. x 1-in. Moldboards With 8-in. x 3/4-in. Cutting Edge And 3/4-in. Hardware575 lb.
Extensions 24 in. Right Or Left255 lb.
Extensions 27 in. Right Or Left575 lb.
Overlay End-Bits, Reversible (One Pair) For 6 in. Cutting Edge43 lb.
Overlay End-Bits, Reversible (One Pair) For 8 in. Cutting Edge51 lb.
Heavy-Duty Dual-Input Circle-Drive Gearbox31 lb.
Circle Drive Slip Clutch20 lb.
Standard Circle0 lb.
Premium Circle638 lb.
Moldboard Impact-Absorption System95 lb.
Ripper/Scarifier, Rear Mounted With Hitch And Ripper Shanks (3)2510 lb.
Scarifier Shanks With Teeth, 9 For Rear Ripper/Scarifier150 lb.
Ripper Shanks and Teeth, 2139 lb.
Rear Counterweight With Integral Rear Hitch1603 lb.
Rear Hitch120 lb.
Push Block, Front2950 lb.
Scarifier, Front Mounted With Teeth (5)1833 lb.
Scarifier, Midmount With 11 Teeth3265 lb.
Front Lift Group (Balderson-Style)1682 lb.
Opening Front and Side Windows32 lb.
Premium Seat, Air Suspension, Heated, Adjustable Arm And Headrests28 lb.
Coolant Heater9 lb.
Quick Service24 lb.
Secondary Steering58 lb.
Fire Extinguisher32 lb.
Lighting Packages - 10 Halogen Lights10 lb.
Lighting Packages - 18 Halogen Lights18 lb.
Lighting Packages - 18 LED Lights15 lb.
High Front Light Bar For Snowplowing44 lb.
Auxiliary Hydraulic Control Valve Section And Controls15 lb.
Hydraulics For Front-Mounted Equipment19 lb.
Tire, Rim, And Fender Option Weights
14.00-R24, Radial, G2/L2 General Purpose486 lb.
14.00-R24, Radial, G2/L2 Snow576 lb.
17.5-R25, Radial, L2 General Purpose600 lb.
17.5-R25, Radial, G2/L2 Snow696 lb.
17.5-R25, Radial, G3/L3 General Purpose798 lb.
One-Piece Rim 229 x 610 mm0 kg
One-Piece Rim 9 x 24 in.0 lb.
One-Piece Rim 330 x 635 mm65 kg
One-piece Rim 13 in. x 25 in.144 lb.
Multi-Piece Rim 254 x 610 mm180 kg
Multi-Piece Rim 10 x 24 in.396 lb.
Multi-Piece Rim 356 x 635 mm267 kg
Multi-Piece Rim 14 x 25 in.588 lb.
Front Fenders218 lb.
Rear Fenders348 lb.
Machine Dimensions
Height To Top Of Cab10.42 ft
Height To Top Of Exhaust10.17 ft
Height To Top Of Blade-Lift Cylinders10 ft
Tandem Axle Spacing5.08 ft
Blade Base8.42 ft
Wheelbase20.25 ft
Overall Length29.17 ft
Overall Length With Scarifier31.75 ft
Overall Length With Pushblock And Ripper32.75 ft
Overall Length With Scarifier And Ripper34.75 ft
Overall Length with Front Mounted Blade and Ripper34.75 ft
Overall Width 14.00-R24 Tires8.17 ft
Overall Width 17.5-R25 Tires8.67 ft

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