New Automatic Dual-mode Transmission Includes a Non-stall Function Makes smooth low-speed operation automatic 20% Less Fuel Consumptionwith Two Mode Operation Fuel consumption decreased by 20% compared with Komatsu's conventional model typical test data. Operator Friendly Cab All-around visibility with low operation noise Fuel Economy Features • Selectable working modes, [P mode] and [E mode] • Operator can choose [Auto mode] or [Manual mode] with the new automatic dual-mode transmission More Comfortable Operator Environment • The new hexangular cab with front Y pillar and rear layout side pillar affords all-around visibility of the moldboard and front • Low operating noise – Noise levels in operating conditions are significantly lowered KOMTRAX^® equipped machines can send location, SMR and operation maps to a secure website utilizing wireless technology. Machines also relay error codes, cautions, maintenance items, fuel levels, and much more. Maximum Productivity • Environment friendly Komatsu SAA6D107E-1 engine complies with EPA Tier 3 emissions • Smooth operation without the engine stalling at low speed and maximized productivity with the automatic dual-mode transmission • Excellent blade controllability through a Closed-center Load Sensing (CLSS) hydraulic system with multifunctional control valves with float and Pilot Check Valve (PCV) • Aggressive moldboard angles are possible with the long wheelbase • Steering wheel and conventional mechanical levers provide predictable, low effort control Easy Serviceability • Easy radiator cleaning with a manually actuated reversing fan • Easy fueling from ground level • Large hinged lockable doors provide easy access to the engine and radiator • KOMTRAX^®

Engine

Model		Komatsu SAA6D107E-1*
Type		Water-cooled,4-cycle,direct injection
Aspiration		Turbocharged and air-to-air aftercooled
Number of cylinders		6
Bore	4.21"	107 mm
Stroke	4.88"	124 mm
Piston displacement	408 in³	6.69 ltr
Gross horsepower (Manual mode):
P-mode
Gear 1-3 @2000 rpm	183 HP	136 kW
Gear 4-6 @2000 rpm	203 HP	151 kW
Gear 7-8 @2100 rpm	221 HP	165 kW
E-mode
Gear 1-3 @2000 rpm	148 HP	110 kW
Gear 4-6 @2000 rpm	183 HP	136 kW
Gear 7-8 @2000 rpm	203 HP	151 kW
Net flywheel horsepower** (Manual mode):
P-mode
Gear 1-3 @2000 rpm	180 HP	134 kW
Gear 4-6 @2000 rpm	200 HP	149 kW
Gear 7-8 @2100 rpm	218 HP	163 kW
E-mode
Gear 1-3 @2000 rpm	145 HP	108 kW
Gear 4-6 @2000 rpm	180 HP	134 kW
Gear 7-8 @2000 rpm	200 HP	149 kW
Max. torque @1450 rpm	694 lb.ft.	941 Nm 96.0 kg•m
Torque rise		31 %
Fan speed		Max. 1500 rpm
Air cleaner		2-stage, dry-type
Electrical		24 Volt with 90 Amp alternator
Battery		2, low maintenance plus, 12 Volt, 1146 CCA
* EPA Tier 3 and EU Stage 3A emissions certified
** Net flywheel HP output for standard SAE J1349 including air cleaner, alternator (not charging), water pump, lubricating oil, fuel pump, muffler and fan running at minimum speed.

Transmission and Torque Converter

Speeds (at rated engine speed)
Gear	Forward	Reverse
1st	2.1 mph 3.4 km/h	2.8 mph 4.5 km/h
2nd	3.1 mph 5.0 km/h	5.7 mph 9.2 km/h
3rd	4.3 mph 7.0 km/h	12.6 mph 20.3 km/h
4th	6.3 mph 10.2 km/h	25.0 mph 40.3 km/h
5th	9.6 mph 15.4 km/h	-
6th	13.9 mph 22.3 km	-
7th	19.0 mph 30.6 km/h	-
8th	27.5 mph 44.3 km/h	-

Front Axle

Type		Solid bar construction welded steel sections
Ground clearance at pivot	2'0"	620 mm
Wheel lean angle, right or left		16°
Oscillation, total		32°

Rear Axle

Oscillating welded box section	1'8" x 8"	520 mm x 202 mm
Side wall thickness:
Inner	0.87"	22 mm
Outer	0.75"	19 mm
Wheel axle spacing	5'0"	1525 mm
Tandem oscillation		11° forward, 13° reverse

Tandem Drive

Oscillating welded box section	1'8" x 8"	520 mm x 202 mm
Side wall thickness:
Inner	0.87"	22 mm
Outer	0.75"	19 mm
Wheel axle spacing	5'0"	1525 mm
Tandem oscillation		11° forward, 13° reverse

Wheels, Front and Rear

Bearings		Tapered roller
Tires		17.5R25
Tire rims (demountable)		13" one-piece rims

Steering

Minimum turning radius	24'3"	7.4 m
Maximum steering range, right or left		49°
Articulation, right or left		25°

Brakes

Service brake		Foot operated, sealed wet disc brakes, hydraulically actuated on four tandem wheels, 13691 cm² / 2,122 in² total braking surface
Parking brake		Manually actuated, spring applied, hydraulically released caliper with transmission interlock

Frame

Front Frame Structure
Height	11.8"	300 mm
Width	11.8"	300 mm
Thickness	0.55"	14 mm

Drawbar

Drawbar frame

8.3"x 1"

210 x 25 mm

Circle

Diameter (outside)	5'0"	1530 mm
Circle reversing control hydraulic rotation		360°

Moldboard

Dimensions	14' x 26" x 0.87"	4320 x 660 x 22 mm
Arc radius	1'1"	329 mm
Cutting edge	6" x 0.63"	152 x 16 mm

Blade Range

Circle center shift:
Right	1'11"	590 mm
Left	1'11"	590 mm
Moldboard side shift:
Right	2'8"	820 mm
Left	2'8"	820 mm
Maximum shoulder reach outside rear tires (frame straight)
Right	6'4"	1940 mm
Left	6'4"	1940 mm
Maximum lift above ground	1'7"	480 mm
Maximum cutting depth	2'0"	615 mm
Maximum blade angle, right or left		90°
Blade tip angle	40° forward	5° backward

Hydraulic System

Output @ 2000 rpm	52.8 u.s.gal/min	200 ltr/min
Standby pressure	500 psi	3.4 MPa 35 kg/cm²
Maximum system pressure	3,000 psi	20.6 MPa 210 kg/cm²

Instrumentation

Gauges - Standard:	articulation, engine coolant temperature, fuel level, speedometer, T/M shift indicator, engine tachometer torque converter oil temperature
Warning lights / Indicator - Standard:	battery charge, brake oil pressure, blade float, brake oil pressure, inching temperature, directional indicator, engine oil pressure, hydraulic oil temperature,	heater signal, lift arm lock, parking brake, differential lock, torque converter oil temperature, eco, P mode, fan reverse, rpm set, high beam, working lights
Optiona3	blade accumulator

Service Refill Capacities

Fuel tank	109.9 u.s. gal	416 ltr
Cooling system	6.6 u.s. gal	24.9 ltr
Crank case	6.1 u.s. gal	23.1 ltr
Transmission	11.9 u.s. gal	45 ltr
Final drive	4.5 u.s. gal	17 ltr
Tandem housing (each)	15.1 u.s. gal	57 lt
Hydraulic system	18.2 u.s. gal	69 ltr
Circle reverse housing	1.8 u.s. gal	7 ltr

Operating Weight (approximate)

Standard configuration without pushplate
Total	35,351 lb	16035 kg
On rear wheels	25,534 lb	11582 kg
On front wheels	9,817 lb	4453 kg
With rear mounted ripper and front push plate:
Total	39,505 lb	17916 kg
On rear wheels	27,944 lb	12673 kg
On front wheels	11,561 lb	5243 kg
With mid-mounted scarifier, without front pushplate:
Total	36,665 lb	16631 kg
On rear wheels	25,708 lb	11661 kg
On front wheels	10,957 lb	4970 kg
• Front pushplate weight 1075 kg 2,371 lb
• Operating weight based on the standard machine configuration with 17.5R25 tires, 14' moldboard, full fuel tank, coolant, lubricants, and operator