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SK820-5

> Specifications  > Features  > Charts  > Standard Equipment

> Optional Equipment   > Need a Quote?
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Engine-EPA Certified   
Model    Komatsu S4D84E-1FD 
Type    Diesel engine, 4 cycle 
Bore x stroke  3.31 x 3.54 in  84 x 90 mm 
Number of cylinders    4 
Displacement  122 in³  2.0 ltr 
Combustion    Direct injection 
Aspiration    Turbocharged 
Rated power:     
(SAE J1349) @ 2800 rpm  54 HP  40.3 kw 
Max. torque @ 1800 rpm  116 ft. lb.  157 Nm 
Cooling system    Water 
Air filter    Dry type with safety element 
Starting system    Electric motor with pre-heating air system for cold weather 0° C (32° F) 
 
Transmission   
Type    Hydrostatic 
Pumps    2 x variable displacement with 2 stage and APC system 
Motors    2 x axial piston with two speeds 
Final transmission with heavy duty type roller chains immersed in oil bath connected to the four driving axles     
Speeds:     
Working  6.5 mph  10.5 km/h 
Travel  10.0 mph  16 km/h 
Sealed wet-disc parking brakes with automatic engagement when operator exits the cab     
 
Hydraulic System   
Type    Komatsu 
Pump    Gear 
Max. flow - auxiliary hydraulic  16 gal/min  60 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  26 gal/min  100 ltr./min 
Max. pressure  3,045 psi  210 bar 
 
Loader   
Performance without rear counterweights
Operating load (ISO 5998)  		1,900 lb  864 kg 
Tipping load (ISO 8313)  3,800 lb  1727 kg 
Bucket breakout force (ISO 8313) with short lip bucket  4,200 lb  1905 kg 
Bucket breakout force (ISO 8313) with long lip bucket  3,530 lb  1601 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. An operator presence neutralizes control system when the operator exits the cab. 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    80 Ah 
Alternator    40 A 
 
Service Refill Capacities   
Hydraulic system  10.0 US gal.  38.0 ltr. 
Fuel tank  14.0 US gal.  53.0 ltr. 
Chain cases  8.0 US gal.  31.0 ltr. 
Engine oil  2.0 US gal.  8.0 ltr. 
Engine coolant  2.0 US gal.  8.0 ltr. 
 
Tires   
Optional    10-16.5 8PR heavy duty flotation tires 
    31x15.5 - 15 8PR 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)  6,480 lb.  2940 kg 

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