Cat 320 vs Develon DX380LC-7K

The Develon DX380LC-7K is the heavier machine, at 40.2 t against 21.3 t, and the Develon DX380LC-7K has more power (236.1 kW against 117 kW).

The Cat 320 is ahead on: turns tighter, narrower to transport, lower to transport. The Develon DX380LC-7K is ahead on: more power, digs deeper, reaches further, bigger bucket or body, more hydraulic flow, bigger fuel tank.

Below, every figure both makers publish sits side by side, with the Cat 320 and the Develon DX380LC-7K drawn to the same scale from their dimension drawings.

Cat · excavator
Cat 320
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Develon · excavator
Develon DX380LC-7K
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At a glance

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

Figure	Cat 320	Develon DX380LC-7K
Operating weight	21,300 kg	40,200 kg
Net powerHigher is better	117 kW	236.1 kW+102%
Max digging depthHigher is better	6.72 m	7.415 m+10%
Max reach at ground levelHigher is better	9.86 m	10.955 m+11%
Bucket capacityHigher is better	1.19 m³	1.61 m³+35%
Pump flowHigher is better	429 L/min	700 L/min+63%
Fuel tankHigher is better	345 L	600 L+74%
Tail swing radiusLower is better	2.83 m+20%	3.53 m
Overall widthLower is better	2.98 m+11%	3.35 m
Overall height (to top of cab)Lower is better	2.96 m+8%	3.21 m
Overall length	9.53 m	11.285 m

All specifications

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

Differences only(100)

FigureCat 320 Develon DX380LC-7K

Dimensions

Overall height (to top of cab)2.96 m3.21 m

Handrail height2.95 mNot published

Overall length9.53 m11.285 mShipping length; 3.2 m arm

Tail swing radius2.83 m3.53 m

Ground clearance, counterweight1.05 m1.28 m

Ground clearance (minimum)0.47 m0.6 m

Track length4.45 m5.2 m

Track length on ground3.65 mNot published

Track gauge2.38 mNot published

Overall width2.98 m3.35 mShipping width, standard track

Shoe width0.6 m0.6 mStandard

Overall height (to top of boom)Not published3.28 mShipping height (boom); 3.2 m arm

Overall height (to top of hoses)Not published3.415 mShipping height (hose); 3.2 m arm

Overall width (narrow track)Not published3 m

Overall width of upperstructureNot published2.99 m

Cab height above houseNot published0.853 m

Cab widthNot published1.01 m

Tumbler distanceNot published4.25 m

Width of crawlerNot published3.35 mUndercarriage width, standard

Width of crawler (narrow)Not published3 m

Track heightNot published1.07 m

Performance

Max digging depth6.72 m7.415 m

Max reach at ground level9.86 m10.955 m

Max digging height9.37 m10.435 m

Max dumping height6.49 mNot published

Min loading height2.17 m2.76 m

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

Max vertical wall digging depth5.19 mNot published

Bucket capacity1.19 m³HD bucket1.61 m³

Bucket digging force150 kN24.4 t

Arm digging force106 kN17.9 t

Swing speed11.3 r/min9.90 rpm

Max swing torque82 kN·m14,830 kgf·m

Max digging reachNot published11.17 m

Max loading heightNot published7.295 m

Max bucket pin heightNot published8.995 m

Max vertical wall depthNot published5.84 m

Max radius verticalNot published7.72 m

Max digging depth (8 ft level)Not published7.23 m

Min radius 8 ft levelNot published3.32 m

Min front swing radiusNot published4.455 m

Bucket angleNot published178°

Travel speed (high)Not published5.4 km/h

Travel speed (low)Not published3 km/h

Max tractionNot published43.4 t

GradeabilityNot published35° / 70%

Weight

Operating weight21,300 kg40,200 kg

Operating weight (750 mm shoes)Not published41,100 kgTriple grouser; 0.60 kgf/cm²

Operating weight (800 mm shoes)Not published41,300 kgTriple grouser; 0.56 kgf/cm²

Operating weight (900 mm shoes)Not published41,800 kgTriple grouser; 0.51 kgf/cm²

Operating weight (600 mm double grouser)Not published40,400 kg0.73 kgf/cm²

Upper structure weightNot published17,311 kgWithout front, with counterweight

Lower structure weightNot published14,778 kg

CounterweightNot published7,450 kg

Front assembly weightNot published8,087 kg

Boom weightNot published2,914 kg

Arm weightNot published1,361 kg3,200 mm arm, including bushing

Engine

Engine modelCat C7.1Scania DC09

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

Net power117 kW (157 hp)ISO 9249, at 1,800 rpm236.1 kW (316.6 hp)SAE J1349 at 1,800 rpm

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

Gross power118 kW (158 hp)ISO 14396240 kW (326.0 hp)SAE J1995 at 1,800 rpm

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

Bore105 mmNot published

Stroke135 mmNot published

Displacement7 L9.3 L

Biodiesel capabilityUp to B20Not published

CylindersNot published5

Max torqueNot published1,348 NmAt 1,200 rpm

Hydraulics

Pump flow429 L/minMain system, maximum flow700 L/min

Max pressure35 000 kPaEquipment380 barImplement relief (387.5 kgf/cm²)

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

Max pressure, travel34 300 kPaNot published

Max pressure, swing27 500 kPaNot published

Travel relief pressureNot published343 bar

Swing relief pressureNot published294 bar

Pilot pressureNot published40 bar

Pilot system max flowNot published24 L/min

Service capacities

Fuel tank345 L600 L

Cooling system25 L49.5 L

Engine oil25 L36 L

Swing drive (each)6 LNot published

Final drive (each)5 LNot published

Hydraulic system, with tank234 LNot published

Hydraulic tank115 L380 L

DEF/AdBlue tankNot published70 L

Swing driveNot published8 L

Travel device, eachNot published7 L

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

Undercarriage

Upper rollersNot published2 per side

Lower rollersNot published9 per side

Links and shoes per sideNot published50

Link pitchNot published0.216 m

Sources: Cat 320 Hydraulic Excavator (Tier 3) brochure AEXQ2332-09 (2024, build 07G) · Develon DX380LC-7K brochure (DX380LC-7K_EN_low.pdf), Develon Africa & Middle East site

Drawn to scale

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

Cat 320Develon DX380LC-7KSame scale, front edges and ground lined up.

Cat 320 vs Develon DX380LC-7K: questions

Which is bigger, the Cat 320 or Develon DX380LC-7K?

By operating weight the Develon DX380LC-7K is the biggest at 40.2 t, then the Cat 320 at 21.3 t.

Which has more power, the Cat 320 or Develon DX380LC-7K?

The Develon DX380LC-7K: Cat 320 117 kW (157 hp), Develon DX380LC-7K 236.1 kW (316.6 hp) (net power), a 102% difference.

Which digs deeper, the Cat 320 or Develon DX380LC-7K?

The Develon DX380LC-7K: Cat 320 6.72 m, Develon DX380LC-7K 7.415 m (max digging depth), a 10% difference.

Which reaches further, the Cat 320 or Develon DX380LC-7K?

The Develon DX380LC-7K: Cat 320 9.86 m, Develon DX380LC-7K 10.955 m (max reach at ground level), a 11% difference.

Which has the bigger bucket, the Cat 320 or Develon DX380LC-7K?

The Develon DX380LC-7K: Cat 320 1.19 m³, Develon DX380LC-7K 1.61 m³ (bucket capacity), a 35% difference.

Which has the bigger fuel tank, the Cat 320 or Develon DX380LC-7K?

The Develon DX380LC-7K: Cat 320 345 L, Develon DX380LC-7K 600 L (fuel tank), a 74% difference.

Which turns tighter, the Cat 320 or Develon DX380LC-7K?

The Cat 320: Cat 320 2.83 m, Develon DX380LC-7K 3.53 m (tail swing radius), a 20% difference.

Which is narrower to transport, the Cat 320 or Develon DX380LC-7K?

The Cat 320: Cat 320 2.98 m, Develon DX380LC-7K 3.35 m (overall width), a 11% 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.