K Series Motor Graders, 12K, Cat® C7 ACERT™
K Series Motor Graders
Pret la cerere
The 12K optimizes your investment by delivering maximum productivity and durability. The Cat C7 engine, direct-drive power shift transmission and load-sensing hydraulics work together to ensure the power and precision to get the job done.
Descriere
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Engine
| Base Power (1st Gear) - Net | 108 kW |
| Engine Model | Cat® C7 ACERT™ |
| VHP - Gears 1-2, Net | 108 kW |
| VHP - Gear 3, Net | 116 kW |
| VHP - Gears 4-8, Net | 123 kW |
| VHP - Gears 1-2, Gross | 118 kW |
| VHP - Gear 3, Gross | 125 kW |
| VHP - Gears 4-8, Gross | 133 kW |
| Displacement | 7.2 l |
| Bore | 105 mm |
| Stroke | 127 mm |
| Speed at Rated Power | 2000 r/min |
| Number of Cylinders | 6 |
| Derating Altitude | 3048 m |
| High Ambient - Fan Speed - Maximum | 1450 r/min |
| High - Ambient Capability | 50 °C |
| VHP Range - Net | 108-123 kW (145-165 hp) |
| Base Power (All Gears) - Net | 108 kW |
| Torque Rise | 50 % |
| Maximum Torque | 901 N·m |
Power Train
| Forward/Reverse Gears | 8 fwd / 6 rev |
| Transmission | Direct Drive, powershift |
| Brakes - Service | Air actuated, multiple oil-disc |
| Brakes - Service - Surface Area | 23948 cm² |
| Brakes - Parking | Air actuated, multiple oil-disc |
| Brakes - Secondary | Dual circuit |
Operating Specifications
| Top Speed - Forward | 44.8 km/h |
| Top Speed - Reverse | 35.4 km/h |
| Turning Radius - Outside Front Tires | 7.5 m |
| Steering Range - Left/Right | 47.5 ° |
| Articulation Angle - Left/Right | 20 ° |
| Forward - 1st | 3.8 km/h |
| Forward - 2nd | 5.2 km/h |
| Forward - 3rd | 7.6 km/h |
| Forward - 4th | 10.4 km/h |
| Forward - 5th | 16.5 km/h |
| Forward - 6th | 22.4 km/h |
| Forward - 7th | 30.8 km/h |
| Forward - 8th | 44.8 km/h |
| Reverse - 1st | 3 km/h |
| Reverse - 2nd | 5.7 km/h |
| Reverse - 3rd | 8.2 km/h |
| Reverse - 4th | 13 km/h |
| Reverse - 5th | 24.3 km/h |
| Reverse - 6th | 35.4 km/h |
Hydraulic System
| Circuit Type | Load Sensing, Closed Center, PPPC |
| Pump Type | Variable piston |
| Pump Output | 210.5 l/min |
| Maximum System Pressure | 25500 kPa |
| Standby Pressure | 3600 kPa |
| Reservoir Tank Capacity | 55 l |
Moldboard
| Blade Width | 3.7 m |
| Moldboard - Height | 610 mm |
| Moldboard - Thickness | 22 mm |
| Arc Radius | 413 mm |
| Throat Clearance | 120 mm |
| Cutting Edge Width | 152 mm |
| Cutting Edge Thickness | 16 mm |
| End Bit - Width | 152 mm |
| End Bit - Thickness | 16 mm |
| Blade Pull - Typical GVW | 9030 kg |
| Blade Pull - Maximum GVW | 12148 kg |
| Down Pressure - Typical GVW | 7503 kg |
| Down Pressure - Maximum GVW | 12681 kg |
Blade Range
| Circle Centershift - Right | 728 mm |
| Circle Centershift - Left | 752 mm |
| Moldboard Sideshift - Right | 663 mm |
| Moldboard Sideshift - Left | 512 mm |
| Maximum Blade Position Angle | 90 ° |
| Blade Tip Range - Forward | 40 ° |
| Blade Tip Range - Backward | 5 ° |
| Maximum Shoulder Reach Outside of Tires - Right | 1809 mm |
| Maximum Shoulder Reach Outside of Tires - Left | 1859 mm |
| Maximum Lift Above Ground | 480 mm |
| Maximum Digging Depth | 735 mm |
Ripper
| Ripper Shank Holders, Quantity | 5 |
| Ripper Shank Holder Spacing | 533 mm |
| Penetration Force | 8047 kg |
| Pry-Out Force | 9281 kg |
| Machine Length Increase, Beam Raised | 970 mm |
Scarifier
| Mid, V-Type - Working Width | 1184 mm |
| Mid, V-Type - Scarifying Depth, Maximum | 292 mm |
| Mid, V-Type - Scarifier Shank Holders Quantity | 11 |
| Mid, V-Type - Scarifier Shank Holder Spacing | 116 mm |
| Rear - Working Width | 2300 mm |
| Rear - Scarifying Depth, Maximum | 411 mm |
| Rear - Scarifier Shank Holders Quantity | 9 |
| Rear - Scarifier Shank Holder Spacing | 267 mm |
Frame
| Circle - Diameter | 1530 mm |
| Circle - Blade Beam Thickness | 30 mm |
| Drawbar - Height | 127 mm |
| Drawbar - Width | 76 mm |
| Front Axle - Height to Center | 615 mm |
| Front Axle - Wheel Lean - Left/Right | 18 ° |
| Front Axle - Total Oscillation per Side | 32 ° |
| Front-Top/Bottom Plate - Width | 305 mm |
| Front-Top/Bottom Plate - Thickness | 25 mm |
| Front-Side Plates - Width | 242 mm |
| Front-Side Plates - Thickness | 12 mm |
| Front-Linear Weights - Minimum | 165 kg/m |
| Front-Linear Weights - Maximum | 213 kg/m |
| Front-Section Modulus - Minimum | 2083 cm² |
| Front-Section Modulus - Maximum | 4785 cm² |
Tandems
| Height | 506 mm |
| Width | 201 mm |
| Sidewall Thickness - Inner | 16 mm |
| Sidewall Thickness - Outer | 18 mm |
| Drive Chain Pitch | 51 mm |
| Wheel Axle Spacing | 1522 mm |
| Tandem Oscillation - Front Up | 15 ° |
| Tandem Oscillation - Front Down | 25 ° |
Service Refill
| Fuel Capacity | 305 l |
| Cooling System | 40 l |
| Engine Oil | 25 l |
| Transmission - Differential - Final Drives | 47 l |
| Tandem Housing - Each | 64 l |
| Front Wheel Spindle Bearing Housing | 0.5 l |
| Circle Drive Housing | 7 l |
Weights
| Gross Vehicle Weight - Typically Equipped | 14334 kg |
| Gross Vehicle Weight - Base - Total | 13704 kg |
| Gross Vehicle Weight - Typically Equipped - Front Axle | 4300 kg |
| Gross Vehicle Weight - Typically Equipped - Total | 14334 kg |
| Gross Vehicle Weight - Typically Equipped - Rear Axle | 10034 kg |
| Gross Vehicle Weight - Base - Front Axle | 4111 kg |
| Gross Vehicle Weight - Base - Rear Axle | 9563 kg |
| Gross Vehicle Weight - Maximum | 20766 kg |
| Gross Vehicle Weight - Maximum - Front Axle | 7268 kg |
| Gross Vehicle Weight - Maximum - Rear Axle | 13498 kg |
Dimensions
| Height - ROPS Cab | 3323.9 mm |
| Height - Non-ROPS Cab | 3318.4 mm |
| Height - Low Profile ROPS Cab | 3097 mm |
| Height - High Profile Non-ROPS Canopy | 3320.4 mm |
| Height - ROPS/Canopy | 3323.9 mm |
| Height - High Profile NON ROPS Semi-Cab | 3320.9 mm |
| Ground Clearance - Center Front Axle | 584 mm |
| Length - Between Tandem Axles | 1522.8 mm |
| Length - Front Axle to Moldboard | 2587.7 mm |
| Length - Front Axle to Mid Tandem | 6086.4 mm |
| Length - Front Tire to Rear of Machine | 8503.5 mm |
| Length - Counterweight to Ripper | 10012.5 mm |
| Ground Clearance - Trans. Case | 306.8 mm |
| Height - Top of Cylinders | 3013.6 mm |
| Height - Exhaust Stack | 2822.7 mm |
| Width - Tire Center Lines | 2034.5 mm |
| Width - Outside Rear Tires | 2452.3 mm |
| Width - Outside Front Tires | 2480.5 mm |
Standards
| ROPS/FOPS | ISO 3471:1994/ISO 3499:1992 |
| Steering | ISO 5010:1992 |
| Brakes | ISO 3450:1996 |
| Sound | ISO 6394:1998/ISO 6393:1998 |