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SK1026-5

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ENGINE-EPA TIER II CERTIFIED

Model		Komatsu S4D98E-2NFD
Type		Diesel engine, 4 cycle
Bore x stroke	3.85 x 4.334 in	98 x 110 mm
Number of cylinders		4
Displacement	203 in³	3.4 ltr
Combustion		Direct injection
Aspiration		Turbocharged
Rated power:
(SAE J1349)	84 HP @ 2500 rpm	62 kW @ 2500 rpm
Max. torque@ 1600 rpm	211 ft. lb.	286 Nm
Cooling system		Water
Air filter		Dry type with dual element
Starting system		Electric motor with pre-heating air system for cold weather -16° C (3.2° F).

Transmission

Type		Hydrostatic
Pumps		2 x variable displacement with APC system
Motors		2 x axial pistons with two speeds
Final transmission with heavy duty type roller chains (4) immersed in oil bath connected to the four driving axles.
Speeds: -
Working	6.5 mph	10.0 km/h
Travel	10.0 mph	16.0 km/h
Sealed wet-disc parking brakes with automatic engagement when operator arm rest bar is raised.

Hydraulic System

Type		Komatsu
Pump		Gear
Max. flow - auxiliary hydraulic	21.0 gal/min	80.0 ltr./min
Max. pressure - auxiliary hydraulic	3,045 psi	210 bar
Control valve		3 elements fully Servo-controlled
High flow auxiliary hydraulic system “SUPER FLOW” (OPTIONAL):
Max. flow	34 gal/min	130 ltr./min
Max. pressure	3,045 psi	210 bar
Control valve		4 elements

Loader

Operating load without rear counterweights	2,650 lb	1205 kg
Operating load with counterweights	2,850 lb	1295 kg
Tipping load without counterweights (ISO 8313)	5,300 lb	2410 kg
Bucket breakout force (ISO 8313) with short lip bucket	5,400 lb	2450 kg
Bucket breakout force (ISO 8313) with long lip bucket	4,740 lb	2150 kg

Controls

Proportional Pressure Control (PPC) joystick levers. The left hand joystick controls the travel, the right joystick controls the loader equipment. The PPC foot pedal controls the auxiliary hydraulic circuit for attachments. Control levers are inoperative when the operator arm rest bar is raised or the operator is not seated.

Control pattern change valve is optional equipment. The optional control pattern splits the travel and the loader controls between both joystick levers.|

Electric System

Rated voltage		12 V
Battery		100 Ah
Alternator		40 A

Service Refill Capacities

Hydraulic system	13.0 US gal.	50.0 ltr.
Fuel tank	19.0 US gal.	73.0 ltr.
Chain cases	8.3 US gal.	32.0 ltr.
Engine oil	3.2 US gal.	12.5 ltr.
Engine coolant	2.0 US gal.	8.0 ltr.

Tires

Standard		12-16.5 10PR heavy duty flotation tires
Optional		33 x 15.5-16.5 10PR super wide flotation tires

Operating Weight

Operating weight of machine with standard bucket,full tank of fuel and an 176 lb / 80 kg operator (ISO 6016) 8,068 lb./ 3660 kg

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