Cat 320 vs Kobelco SK350LC-11

The Kobelco SK350LC-11 is the heavier machine, at 38.2 t against 21.3 t, and the Kobelco SK350LC-11 has more power (198 kW against 117 kW).

The Cat 320 is ahead on: turns tighter, narrower to transport. The Kobelco SK350LC-11 is ahead on: more power, digs deeper, reaches further, dumps higher, more digging or pushing force, bigger fuel tank.

Below, every figure both makers publish sits side by side, with the Cat 320 and the Kobelco SK350LC-11 drawn to the same scale from their dimension drawings.

Cat · excavator
Cat 320
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Kobelco · excavator
Kobelco SK350LC-11
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At a glance

Bold is the machine ahead on each figure, with its lead.

Figure	Cat 320	Kobelco SK350LC-11
Operating weight	21,300 kg	38,200 kg
Net powerHigher is better	117 kW	198 kW+69%
Max digging depthHigher is better	6.72 m	7.35 m+9%
Max reach at ground levelHigher is better	9.86 m	11.06 m+12%
Max dumping heightHigher is better	6.49 m	7.55 m+16%
Bucket digging forceHigher is better	150 kN	250 kN+67%
Fuel tankHigher is better	345 L	503 L+46%
Tail swing radiusLower is better	2.83 m+21%	3.6 m
Overall widthLower is better	2.98 m+12%	3.39 m

All specifications

Every figure the makers publish. Search for one, or show only those that differ.

Differences only(67)

FigureCat 320 Kobelco SK350LC-11

Dimensions

Overall height (to top of cab)2.96 mNot published

Handrail height2.95 mNot published

Overall length9.53 mNot published

Tail swing radius2.83 m3.6 m

Ground clearance, counterweight1.05 m1.2 mGround clearance of rear end

Ground clearance (minimum)0.47 m0.49 m

Track length4.45 mNot published

Track length on ground3.65 mNot published

Track gauge2.38 m2.59 m

Overall width2.98 m3.39 m

Shoe width0.6 m0.8 m

Overall height (to top of boom)Not published3.69 m

Overall width of upperstructureNot published3.12 m

Swing centre to rear endNot published3.6 m

Tumbler distanceNot published4.05 m

Performance

Max digging depth6.72 m7.35 m

Max reach at ground level9.86 m11.06 m

Max digging height9.37 m10.79 m

Max dumping height6.49 m7.55 mMax dumping clearance

Min loading height2.17 mNot published

Max depth cut for 2,440 mm level bottom6.55 mNot published

Max vertical wall digging depth5.19 m6.58 m

Bucket capacity1.19 m³HD bucketNot published

Bucket digging force150 kN250 kN

Arm digging force106 kNNot published

Swing speed11.3 r/minNot published

Max swing torque82 kN·mNot published

Max digging reachNot published11.26 m

Digging depth for 8 ft flat bottomNot published7.2 m

Min front swing radiusNot published4.14 m

Arm crowding forceNot published181 kN

Drawbar pulling forceNot published320 kN

Travel speed (high)Not published5.8 km/hLow speed 3.6 km/h

Weight

Operating weight21,300 kg38,200 kg

Engine

Engine modelCat C7.1Isuzu 6HK1 (Tier 4 Final)

EmissionsMeets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIANot published

Net power117 kW (157 hp)ISO 9249, at 1,800 rpm198 kW (265 hp)See gross power note

Net power (DIN)159 hp (metric)ISO 9249 (DIN)Not published

Gross power118 kW (158 hp)ISO 14396210 kW (282 hp)

Gross power (DIN)160 hp (metric)ISO 14396 (DIN)Not published

Bore105 mmNot published

Stroke135 mmNot published

Displacement7 L7.8 L

Biodiesel capabilityUp to B20Not published

Max torqueNot published1,080 Nm

Number of main pumpsNot published2

Hydraulics

Pump flow429 L/minMain system, maximum flowNot published

Max pressure35 000 kPaEquipmentNot published

Max pressure, equipment (lift mode)38 000 kPaNot published

Max pressure, travel34 300 kPaNot published

Max pressure, swing27 500 kPaNot published

Service capacities

Fuel tank345 L503 L

Cooling system25 LNot published

Engine oil25 LNot published

Swing drive (each)6 LNot published

Final drive (each)5 LNot published

Hydraulic system, with tank234 LNot published

Hydraulic tank115 LNot published

Service intervals

Engine oil and filter1,000 hoursNot published

Fuel filters1,000 hoursNot published

Swing drive oil1,000 hoursFirst change at 500 hNot published

Final drive oil2,000 hoursEach side; first change at 500 hNot published

Hydraulic return filter3,000 hoursNot published

Hydraulic oil6,000 hoursNot published

Coolant12,000 hoursNot published

Boom and stick linkage grease500 hoursDaily for the first 50 hNot published

Bucket linkage grease100 hoursDaily for the first 50 hNot published

Sources: Cat 320 Hydraulic Excavator (Tier 3) brochure AEXQ2332-09 (2024, build 07G) · Kobelco USA SK350LC-11 product page, specification table

Drawn to scale

Side views measured off each maker's dimension drawing, front edges and ground lined up.

Cat 320Kobelco SK350LC-11Same scale, front edges and ground lined up.

Cat 320 vs Kobelco SK350LC-11: questions

Which is bigger, the Cat 320 or Kobelco SK350LC-11?

By operating weight the Kobelco SK350LC-11 is the biggest at 38.2 t, then the Cat 320 at 21.3 t.

Which has more power, the Cat 320 or Kobelco SK350LC-11?

The Kobelco SK350LC-11: Cat 320 117 kW (157 hp), Kobelco SK350LC-11 198 kW (265 hp) (net power), a 69% difference.

Which digs deeper, the Cat 320 or Kobelco SK350LC-11?

The Kobelco SK350LC-11: Cat 320 6.72 m, Kobelco SK350LC-11 7.35 m (max digging depth), a 9% difference.

Which reaches further, the Cat 320 or Kobelco SK350LC-11?

The Kobelco SK350LC-11: Cat 320 9.86 m, Kobelco SK350LC-11 11.06 m (max reach at ground level), a 12% difference.

Which has the bigger fuel tank, the Cat 320 or Kobelco SK350LC-11?

The Kobelco SK350LC-11: Cat 320 345 L, Kobelco SK350LC-11 503 L (fuel tank), a 46% difference.

Which turns tighter, the Cat 320 or Kobelco SK350LC-11?

The Cat 320: Cat 320 2.83 m, Kobelco SK350LC-11 3.6 m (tail swing radius), a 21% difference.

Which is narrower to transport, the Cat 320 or Kobelco SK350LC-11?

The Cat 320: Cat 320 2.98 m, Kobelco SK350LC-11 3.39 m (overall width), a 12% difference.

Where do these figures come from?

Each model's own published spec sheet or brochure, linked under the table. Builds differ by market and year, so confirm the figures for a particular machine with its dealer.

Can I rent or buy these machines in the UAE?

Each model's page lists the ones for hire and for sale on EquipmentsFinder now, with typical prices in AED.