12M3 AWD Motor Grader
At a Glance
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Overview
The 12M3 AWD gives you the muscle you need for everyday jobs, and helps you get more done in ground conditions where traction can be a challenge. M Series 3 Motor Graders meet U.S. EPA Tier 4 Final/EU Stage V emission standards.
Engine
+ -| Base Power (1st Gear) - Net | 179HP |
| Engine Model | Cat® C9.3 ACERT™ |
| Bore | 4.5in |
| Stroke | 5.9in |
| Speed at Rated Power | 2,000 rpm |
| AWD Off: Gear - Net Power - Forward - 1st | 189HP |
| AWD Off: Gear - Net Power - Forward - 2nd | 200HP |
| AWD Off: Gear - Net Power - Forward - 3rd | 210HP |
| AWD Off: Gear - Net Power - Forward - 4th | 215HP |
| AWD Off: Gear - Net Power - Forward - 5th | 220HP |
| AWD Off: Gear - Net Power - Forward - 6th | 225HP |
| AWD Off: Gear - Net Power - Forward - 7th | 231HP |
| AWD Off: Gear - Net Power - Forward - 8th | 231HP |
| AWD Off: Gear - Net Power - Reverse - 1st | 179HP |
| AWD Off: Gear - Net Power - Reverse - 2nd | 189HP |
| AWD Off: Gear - Net Power - Reverse - 3rd-6th | 200HP |
| AWD On: Gear - Net Power - Forward - 1st | 200HP |
| AWD On: Gear - Net Power - Forward - 2nd | 220HP |
| AWD On: Gear - Net Power - Forward - 3rd | 225HP |
| AWD On: Gear - Net Power - Forward - 4th | 231HP |
| AWD On: Gear - Net Power - Forward - 5th | 252HP |
| AWD On: Gear - Net Power - Forward - 6th | 252HP |
| AWD On: Gear - Net Power - Forward - 7th | 252HP |
| AWD On: Gear - Net Power - Forward - 8th | 252HP |
| AWD On: Gear - Net Power - Reverse - 1st | 179HP |
| AWD On: Gear - Net Power - Reverse - 2nd | 189HP |
| AWD On: Gear - Net Power - Reverse - 3rd-6th | 200HP |
| AWD Range - Net | 141-188 kW (189-252 hp) |
| AWD Range - Net - Metric | 141-188 kW (192-255 hp) |
| Base Power (1st Gear) - Net - Metric | 181HP |
| Maximum Torque - AWD On | 920lb/ft |
| VHP Plus - Gear - Net Power - Forward 8th | 231HP |
| VHP Plus - Gear - Net Power - Reverse 1st | 179HP |
| VHP Plus - Gear - Net Power - Reverse 2nd | 189HP |
| VHP Plus - Gear - Net Power - Reverse 3rd-6th | 200HP |
| Emissions | U.S. EPA Tier 4 Final/EU Stage IV |
| High Ambient - Fan Speed - Standard | 1,400 rpm |
| Maximum Torque - VHP Plus | 840lb/ft |
| Standard Capability | 109°F |
| Torque Rise | 38% |
| VHP Plus - Gear - Net Power - Forward 1st | 179HP |
| VHP Plus - Gear - Net Power - Forward 2nd | 189HP |
| VHP Plus - Gear - Net Power - Forward 3rd | 200HP |
| VHP Plus - Gear - Net Power - Forward 4th | 210HP |
| VHP Plus - Gear - Net Power - Forward 5th | 215HP |
| VHP Plus - Gear - Net Power - Forward 6th | 220HP |
| VHP Plus - Gear - Net Power - Forward 7th | 225HP |
| VHP Plus Range - Net | 133-172 kW (179-231 hp) |
| VHP Plus Range - Net - Metric | 133-172 kW (181-234 hp) |
| Displacement | 567.5in³ |
| Number of Cylinders | 6 |
| Derating Altitude | 10000ft |
| High Ambient - Fan Speed - Maximum | 1,550 rpm |
| High Ambient - Fan Speed - Minimum | 500 rpm |
| High - Ambient Capability | 122°F |
Weights
+ -| Operating Weight - Typically Equipped | 44614lb |
Moldboard
+ -| Blade Width | 12ft |
| Moldboard - Height | 24in |
| Moldboard - Thickness | 0.87in |
| Arc Radius | 16.3in |
| Throat Clearance | 6.5in |
| Cutting Edge Width | 6in |
| Cutting Edge Thickness | 0.6in |
| End Bit - Width | 6in |
| End Bit - Thickness | 0.6in |
| Blade Pull - Base GVW - AWD | 35649lb |
| Blade Pull - Maximum GVW - AWD | 49630lb |
| Blade Down Pressure - Base GVW - AWD | 17970lb |
| Blade Down Pressure - Maximum GVW - AWD | 29309lb |
| Moldboard - Blade Width | 12ft |
Operating Specifications
+ -| Top Speed - Forward | 29mile/h |
| Top Speed - Reverse | 23mile/h |
| Turning Radius - Outside Front Tires | 25.59ft |
| Steering Range - Left/Right | 50° |
| Articulation Angle - Left/Right | 20° |
| Forward - 1st | 2.5mile/h |
| Forward - 2nd | 3.4mile/h |
| Forward - 3rd | 5mile/h |
| Forward - 4th | 6.9mile/h |
| Forward - 5th | 10.6mile/h |
| Forward - 6th | 14.5mile/h |
| Forward - 7th | 19.9mile/h |
| Forward - 8th | 29mile/h |
| Reverse - 1st | 2mile/h |
| Reverse - 2nd | 3.7mile/h |
| Reverse - 3rd | 5.4mile/h |
| Reverse - 4th | 8.4mile/h |
| Reverse - 5th | 15.7mile/h |
| Reverse - 6th | 23mile/h |
Service Refill
+ -| Fuel Capacity | 104gal (US) |
| Cooling System | 15gal (US) |
| Hydraulic System - Total | 26.4gal (US) |
| Hydraulic System - Tank | 16.9gal (US) |
| Transmission - Differential - Final Drives | 18.5gal (US) |
| Diesel Exhaust Fluid | 5.8gal (US) |
| Engine Oil | 7.9gal (US) |
| Tandem Housing - Each | 20gal (US) |
| Front Wheel Spindle Bearing Housing | 0.13gal (US) |
| Circle Drive Housing | 1.8gal (US) |
Power Train
+ -| Forward/Reverse Gears | 8 Forward/6 Reverse |
| Transmission | APECS, Direct Drive, Powershift |
| Brakes - Service | Multiple Oil Disc |
| Brakes - Service - Surface Area | 3565in² |
| Brakes - Parking | Multiple Oil Disc |
| Brakes - Secondary | Dual Circuit |
Hydraulic System
+ -| Circuit Type | Parallel |
| Pump Type | Variable Piston |
| Pump Output | 55.7gal/min |
| Maximum System Pressure | 3500psi |
| Reservoir Tank Capacity | 16.9gal (US) |
| Standby Pressure | 885psi |
Frame
+ -| Drawbar - Width | 3in |
| Circle - Diameter | 60.2in |
| Circle - Blade Beam Thickness | 1.6in |
| Drawbar - Height | 6in |
| Front Frame Structure - Height | 12.6in |
| Front Frame Structure - Width | 12in |
| Circle - Height | 5.4in |
| Drawbar - Thickness | 0.5in |
| Front-Top/Bottom Plate - Width | 12in |
| Front-Top/Bottom Plate - Thickness | 0.87in |
| Front Axle - Height to Center | 23.5in |
| Front Axle - Wheel Lean - Left/Right | 18° |
| Front Axle - Total Oscillation per Side | 32° |
Blade Range
+ -| Circle Centershift - Right | 28.7in |
| Circle Centershift - Left | 27.4in |
| Moldboard Sideshift - Right | 26in |
| Moldboard Sideshift - Left | 20.1in |
| Maximum Blade Position Angle | 90° |
| Blade Tip Range - Forward | 40° |
| Blade Tip Range - Backward | 5° |
| Maximum Lift Above Ground | 18.9in |
| Maximum Depth of Cut | 28.1in |
| Maximum Shoulder Reach Outside of Tires - Right | 77.9in |
| Maximum Shoulder Reach Outside of Tires - Left | 70.5in |
Standards
+ -| Brakes | ISO 3450 |
| ROPS/FOPS | ISO 3471/ISO 3499 |
| Sound | ISO 6394; ISO 6395 |
| Steering | ISO 5010 |
Scarifier
+ -| Front, V-Type, 5 or 11 Tooth - Scarifier Shank Holder Spacing | 4.6in |
| Front, V-Type, 5 or 11 Tooth - Scarifier Shank Holders | 5/11 |
| Front, V-Type, 5 or 11 Tooth - Scarifying Depth, Maximum | 18.4in |
| Front, V-Type, 5 or 11 Tooth - Working Width | 40.6in |
| Front, V-Type - Working Width | 47.4in |
| Mid, V-Type - Scarifier Shank Holders | 11 |
| Mid, V-Type - Scarifier Shank Holder Spacing | 4.6in |
| Mid, V-Type - Scarifying Depth, Maximum | 11.5in |
| Mid, V-Type - Working Width | 46.6in |
| Rear - Scarifying Depth, Maximum | 16.8in |
| Rear - Working Width | 84in |
| Rear - Scarifier Shank Holders | 9 |
| Rear - Scarifier Shank Holder Spacing | 10.5in |
Ripper
+ -| Ripping Depth - Maximum | 16.8in |
| Ripper Shank Holder Spacing | 21in |
| Ripper Shank Holders | 5 |
| Penetration Force | 20812lb |
| Pry-Out Force | 27794lb |
| Machine Length Increase, Beam Raised | 40.6in |
Weights - AWD
+ -| Gross Vehicle Weight - Base - Front Axle | 10469lb |
| Gross Vehicle Weight - Base - Rear Axle | 29140lb |
| Gross Vehicle Weight - Base - Total | 39609lb |
| Gross Vehicle Weight - Maximum - Front Axle | 17075lb |
| Gross Vehicle Weight - Maximum - Rear Axle | 38069lb |
| Gross Vehicle Weight - Maximum - Total | 55144lb |
| Operating Weight - Typically Equipped - Front Axle | 13107lb |
| Operating Weight - Typically Equipped - Rear Axle | 31507lb |
| Operating Weight - Typically Equipped - Total | 44614lb |
Tandems
+ -| Height | 19.9in |
| Width | 7.9in |
| Sidewall Thickness - Inner | 0.63in |
| Sidewall Thickness - Outer | 0.71in |
| Drive Chain Pitch | 2in |
| Wheel Axle Spacing | 60in |
| Tandem Oscillation - Front Up | 15° |
| Tandem Oscillation - Front Down | 25° |
Dimensions
+ -| Height - Top of Cab | 130in |
| Length - Counterweight to Ripper | 399in |
| Width - Outside Front Tires | 98.9in |
| Length - Front Axle to Mid Tandem | 241in |
| Length - Front Tire to Rear of Machine | 351in |
| Length - Front Axle to Moldboard | 100in |
| Length - Between Tandem Axles | 60in |
| Width - Outside Rear Tires | 98.9in |
| Width - Tire Center Lines | 84.3in |
| Height - Front Axle Center | 23.5in |
| Height - Exhaust Stack | 128in |
| Height - Top of Cylinders | 120in |
| Ground Clearance - Rear Axle | 13.3in |
Standard Equipment:
Power Train
+ --
Air cleaner, dual stage, dry type, diesel, with automatic engine derate and automatic dust ejector, service indicator through Cat Messenger
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Air-to-air after cooler (ATAAC)
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Belt, serpentine, automatic tensioner
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Brakes, oil disc, four-wheel, hydraulic
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Demand fan, hydraulic, swing-out
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Diesel exhaust fluid tank, 22.0 L (5.8 gal) ground level access, and sediment drain
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Differential Lock/Unlock, Automatic
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Drain, engine oil, ecology
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Economy mode
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Electronic over speed protection
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Engine, C9.3 with ACERT Technology, U.S. EPA Tier 4 Final/EU Stage IV emission standards
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Fuel tank, 394 L (104 gal), ground level access and sediment drain
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Parking brake - multi-disc, sealed, oil-cooled
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Priming pump, fuel
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Rear axle, modular
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Sediment drain, fuel tank
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Tandem drive
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Transmission, 8F/6R, powershift, direct drive, Advanced Productivity Electronic Control Strategy (APECS)
Electrical
+ --
Alarm, back up
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Alternator, 150 ampere, sealed
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Batteries, maintenance free, heavy duty, 1125 CCA
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Breaker panel, ground accessible
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Cab harness and electrical hydraulic valves
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Electrical system, 24V
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Grade Control Ready - Cab harness, software, electrical hydraulic valves, bosses and brackets
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Lights, roof-mounted roading, reversing, LED stop and tail
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Product Link
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Starter, electric
Operator Environment
+ --
Accelerator
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Air conditioning with heater
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Arm and wrist rest, electronically adjustable
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Articulation, automatic Return-to-Center
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Cat Messenger operator information system
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Centershift pin indicator
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Coat hook
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Cup holder
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Display, digital speed and gear
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Doors, left and right side with wiper
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Gauge, machine level
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Gauge cluster (analog) - fuel, articulation, engine coolant temp, engine RPM, hydraulic oil temp, regen, DEF
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Hour meter, digital
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Joystick hydraulic controls right/left blade lift with float position, circle drive, blade sideshift and tip, centershift, front wheel lean, articulation and power steering
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Joystick, adjustable armrests
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Joystick gear selection
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Joystick hydraulic power steering
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Ladders, cab, left and right side
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Lights, night time cab
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Mirror, inside rearview, wide angle
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Power port, 12V
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Radio Ready, Entertainment
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ROPS cab, sound suppressed 70 dB(A)
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Seat, cloth-covered, comfort suspension
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Seat belt, retractable 76 mm (3 in)
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Storage area for cooler/lunchbox
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Throttle control, electronic
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Windows, laminated glass: - fixed front with intermittent wiper - door with intermittent wipers (3)
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Windows: tempered: - left and right side wipers - rear and intermittent wiper
Fluids
+ --
Antifreeze
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Extended Life Coolant to -35° C (-30° F)
Tires, Rims And Wheels
+ --
Partial allowance for tires on 254 × 607 mm (10 × 24 in) multi-piece rims is included in the base machine price and weight
Other Standard Equipment
+ --
Accumulators, brake, dual certified
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Anti-glare paint
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Bumper, rear, integrated with hitch
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CD ROM Parts Book
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Clutch, circle drive slip
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Cutting edges: - 152 × 16 mm (6 × 5/8 in) - curved DH-2 steel - 19 mm (3/4 in) mounting bolts
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Doors (3), engine compartment, locking
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Drawbar - 6 shoes, replaceable wear strips
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Electrical hydraulic valves, hydraulic lines for base 8 functions
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Endbits: - 16 mm (5/8 in) DH-2 steel - 19 mm (3/4 in) mounting bolts
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Fluid check, ground level
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Frame, articulated, with safety lock
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Ground level engine shutdown
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Hammer (emergency exit)
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Horn, electric
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Hydraulic lines for base functions
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Lockout, hydraulic implement (for roading and servicing)
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Moldboard
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Mounting, cab roof accessories
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Pump, hydraulic, high capacity, 98 cm³ (6 in³)
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Radiator, cleanout access (both sides with swing doors)
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Secondary steering
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Serviceability, LH side
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S·O·S℠ports: engine, hydraulic, transmission, coolant, fuel
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Tandem walkway/guards
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Tool box
Optional Equipment:
Electrical
+ -Alternator, 280 ampere
Batteries: extreme duty, 1,400 CCA
Lights: Headlights, high
Lights: Headlights, low
Lights: Working lights, basic
Lights: Working lights, plus, LED
Lights: Warning: beacon or strobe
Lights: Mounting for warning light
Guards
+ -Articulation guard
Fenders, front, AWD
Fenders, rear
Front axle guard
Sound suppression (bottom)
Sound suppression (enclosure)
Transmission
Operator Environment
+ -Mirrors, outside: heated 24V
Mirrors, outside: mounted
Comfort Plus Arrangement
Comfort Premium Arrangement
Power Train
+ -Precleaner, snow
Starter, extreme duty, 1,000 Amps
Transmission, autoshift
Other Attachments
+ -AccuGrade ARO
Integrated cross slope
Accumulators, blade lift
Camera, rearview
Cat Product Link 321SR
Cat Product Link 522
Drain, ecology, engine Wiggins
Heater, engine coolant: 120V
Heater, engine coolant: 240V
Hydraulic arrangements with one or more additional hydraulic valves are available for rear ripper, dozer, snow plow and snow wing.
Snow wing mounting, frame ready
Starting aid, ether
Reversing fan, automatic or manual
Work Tools/g.e.t.
+ -Blade extension, left hand, 610 mm (2 ft)
Blade extension, right hand, 610 mm (2 ft)
Counterweight
Cutting edges, curved
Endbits, overlay
Front lift group, mounting
Front lift group, mechanical
Grader bit, narrow and super penetration
Mid-Mount Scarifier, Package
Moldboard: 4267 mm × 610 mm × 22 mm (14 ft × 24 in × 7/8 in)
Moldboard: 4267 mm × 686 mm × 25 mm (14 ft × 27 in × 1 in)
Push plate
Ripper, rear
Ripper tooth
Scarifier, front
Snow Arrangement
Snow Wing Ready Package
Tow hitch
Machine Arrangements
+ -Canadian Arrangement
European Arrangement
TUV Roading Arrangement
Optional Tire Arrangements
+ -Rim Size - 9 × 24; Wheel Group - Single-Piece; Tires - 14.0R24
Rim Size - 13 × 25; Wheel Group - Single-Piece; Tires - 17.5R25
Rim Size - 10 × 24; Wheel Group - Multi-Piece; Tires - 14.0R24
Rim Size - 10 × 24; Wheel Group - Multi-Piece; Tires - 14.0-24
Rim Size - 14 × 25; Wheel Group - Multi-Piece; Tires - 17.5R25
Rim Size - 14 × 25; Wheel Group - Multi-Piece; Tires - 17.5-25
Note: Consult your dealer for individual tire width, size and brand.