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Standard Features
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Power and productivity - with even better fuel efficiency!

No one beats Kobelco when it comes to power and productivity. Kobelco has also built a reputation as one of the most fuel efficient excavators in the industry. Now the SK350 Mark 9, with its Hino engine - equipped with cooled exhaust gas recirculation (CEGR) engine technology, meets the EPA's Tier 4 Interim emissions standards, while delivering even better performance and fuel efficiency. Kobelco's system approach to Tier 4, including upgrades to our Intelligent Total Control System (ITCS™) hydraulics delivers better fuel efficiency than the Tier 3 model it replaces, keeping the SK350 Mark 9 in a class by itself when compared to fuel efficiency of other brands of excavators for Tier 4 Interim.


Model Year
SK350LC Acera® Mark 9
Stock Number


Overall: 36 ft. 9 in. (11.2 m)
Basic Machine: 19 ft. 7 in. (5.98 m)
Undercarriage: 16 ft. 2 in. (4.96 m)
11 ft. 3 in. (3.42 m) to top of boom
10 ft. 6 in. (3.21 m) to top of cab
Undercarriage at Center: 3 ft. 5 in. (1.05 m)
11 ft. 2 in. (3.4 m) with 800 mm shoe
Operating (with bucket): 79,600 lbs. (36,100 kg)
Ground Clearance
Rear End: 3 ft. 11 in. (1.2 m)
Undercarriage: 19.7 in. (500 mm)
Fuel Tank Capacity
153 gal. (580 l)


Engine Make
Engine Model
Gross Horsepower
ISO 14396: 285 hp (213 kW) @ 2,100 rpm
Net Horsepower
SAE: 269 hp (201 kW) @ 2,100 rpm
469 L
Bore x Stroke
4.41 x 5.12 in. (112 x 130 mm)
ISO 14396: 750 ft. lbs. (1,017 kNm) @ 1,600 rpm


2 VP + 1 FG
Std Pump Flow
Rated Oil: 2 x 77.6 gpm (2 x 294 lpm)


Travel Speed - Forward
2.1 - 3.5 mph (3.3 - 5.6 km/h)
Arm Length
10 ft. 10 in. (3.33 m)
Arm Force
Crowding SAE: 39,570 lbs. (176 kN) with PowerBoost
Crowding ISO: 40,690 lbs. (181 kN) with PowerBoost
Dig Depth
Maximum: 24 ft. 6 in. (7.46 m)
Vertical Wall: 20 ft. 9 in. (6.33 m)
At 8 ft. (2.4 m) Flat Bottom: 24 ft. (7.31 m)
Dig Height
Maximum: 34 ft. 8 in. (10.56 m)
Bucket Reach
Maximum: 36 ft. 8 in. (11.2 m)
At Ground Level: 36 ft. 1 in. (11 m)
Bucket Capacity
0.88 - 2.75 cu. yd. (0.67 - 2.1 m³)
Bucket Breakout Force
SAE: 49,230 lbs. (219 kN) with PowerBoost
ISO: 54,850 lbs. (244 kN) with PowerBoost
Dump Height
Maximum: 24 ft. 6 in. (7.46 m)
Minimum: 8 ft. 11 in. (2.71 m)
Tail Swing Radius
11 ft. 6 in. (3.5 m)

Standard Features

 AM/FM stereo with speakers  
 Arm: 10 ft. 10 in. (3.3 m) with vertical ribbed rock guard, tapped blocks, ready for auxiliary attachments  
 Audible warning system for high coolant temperature, low engine oil pressure, clogged air filter and oil replacement interval  
 Auto warm-up function of engine and hydraulic system  
 Auxiliary valve with flow control, adjustable from control monitor  
 Boom (heavy-duty), 21 ft. 4 in. (6.5 m) with hydraulic hoist cylinders  
 Boom and arm holding (anti-drift) valves  
 Cab with structures compliant per ISO 12177-2 (ROPS) and ISO 10262 (FOPS) is sound insulated, with viscous silicon-filled mounts, windshield wiper, cigarette lighter, ashtray, floor mat, cab light, control lever lock, tinted skylight with sunshade.  
 Climate control air conditioning / heating / defrost system  
 Counterweight: 19,400 lbs. (8,800 kg)  
 Control monitor with color screen displays for rearview camera, mode selection, gauges for coolant temperature, fuel tank, diesel exhaust tank, and fuel economy. Menu functions for fuel economy graphing, maintenance schedules, system status, engine preheat, low engine oil pressure, engine coolant temperature, air cleaner restriction, battery charging, fuel level, CPU error and tachometer. Autodecel, mode selector, 1 / 2 pump auxiliary hydraulics and swing flashers.  
 Dual element air cleaner with service indicator  
 Electric horn  
 Engine by Hino, model JO8E-UV, Tier 4 interim certified (CEGR)  
 Engine shuts down automatically for low oil pressure  
 Grease lubricated track with strutted links  
 Heavy-duty batteries (2 x 12V, 136Ah)  
 Heavy lift and PowerBoost “without time limit”  
 Hydraulic track adjusters with cushion springs  
 Independent travel  
 Lifetime-lubricated track rollers, idlers and sprockets  
 Mode Selection:  
    Work Modes:  
      H Mode — Heavy-duty excavation work  
      S Mode — Standard digging and loading work  
      E Mode — Fuel economy  
    Attachment Modes:  
      B Mode — Breaker (1-way auxiliary)  
      A Mode — Auxiliary attachments - (2-way auxiliary) crusher / nibbler  
 Power outlet, 24V to 12V converter  
 Proportional auto accel system  
 Rearview camera and monitor  
 Removable clean-out screens for side-by-side radiator, oil cooler and turbocharger intercooler  
 Removable travel levers with toe tabs  
 Right-side control panel includes key switch ignition (diesel engine), throttle and other operating switches  
 Self-lubricated bushings in boom foot and boom hoist cylinders  
 Self-lubricated steel bushing with flanged insert at arm end  
 Service Diagnostics: Computer system displays 68 service items, 60-event fault code memory, accessible from cab  
 Starting system for low temperature with motor 24V - 6.8 hp (5 kW) motor, heavy-duty batteries (2 x 12V-136Ah) 70A alternator  
 Straight travel system  
 Suspension seat — 7-way adjustable with safety belt  
 Swing and travel automatic parking brakes  
 Swing flashers recessed into counterweight  
 Swing priority (trenching system) functions automatically  
 Swing shockless valve  
 Track Shoes: 31.5 in. (800 mm) triple bar grouser shoes  
 Travel — 2-speed with automatic shift and travel alarm  
 2-lever control for boom, arm, bucket and swing, pilot operated  
 Undercarriage master links  
 Work lights — 3 front and 2 rear  

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