Bobcat 331 vs JCB 8018

The Bobcat 331 is the heavier machine, at 3.27 t against 1.82 t, and the Bobcat 331 has more power (29.9 kW against 14.2 kW).

The Bobcat 331 is ahead on: more power, digs deeper, reaches further, dumps higher, more digging or pushing force, more hydraulic flow, bigger fuel tank, faster. The JCB 8018 is ahead on: lower to transport.

Below, every figure both makers publish sits side by side, with the Bobcat 331 and the JCB 8018 drawn to the same scale from their dimension drawings.

Bobcat · mini excavator
Bobcat 331
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JCB · mini excavator
JCB 8018
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At a glance

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

Figure	Bobcat 331	JCB 8018
Operating weight	3,273 kg	1,822 kg
Net powerHigher is better	29.9 kW+111%	14.2 kW
Max digging depthHigher is better	3.101 m+45%	2.142 m
Max reach at ground levelHigher is better	4.874 m+26%	3.865 m
Max dumping heightHigher is better	3.089 m+20%	2.568 m
Bucket digging forceHigher is better	31 kN+92%	16 kN
Pump flowHigher is better	91 L/min+108%	44 L/min
Fuel tankHigher is better	57.9 L+146%	23.5 L
Travel speed (high)Higher is better	5.6 km/h+47%	3.8 km/h
Overall height (to top of cab)Lower is better	2.391 m	2.318 m+3%
Overall length	4.88 m	3.523 m

All specifications

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

Differences only(70)

FigureBobcat 331 JCB 8018

Dimensions

Overall length4.88 mTravel position; 4,882 mm in the O&M manual3.523 m

Overall height (to top of cab)2.391 m2,394 mm in the O&M manual2.318 mheight over cab

Swing centre to front (transport)3.493 mNot published

Engine cover height1.476 mNot published

Ground clearance, counterweight0.511 m532 mm in the O&M manualNot published

Blade height0.378 m0.175 m

Overall width1.54 mOver tracksNot published

Shoe width0.32 mRubber track0.23 mrubber track

Transport heightNot published2.318 mwith FOGS guard; 2.304 m without

Upperstructure widthNot published0.98 moverall width of superstructure

Width of crawlerNot published0.98 m

Track gaugeNot published0.75 mretracted; 1.11 m extended

Track length on groundNot published1.127 msprocket-idler centres

Track lengthNot published1.484 mundercarriage overall length

Kingpost clearanceNot published0.376 m

Tail swing radiusNot published1.059 m

Ground clearance (minimum)Not published0.158 m

Track heightNot published0.366 m

Performance

Max digging height4.539 m3.46 m

Max dumping height3.089 m2.568 m

Max digging depth3.101 m2.142 m

Max vertical wall digging depth2.202 m1.75 m

Max reach at ground level4.874 m3.865 m

Stick length1.2 mNot published

Bucket digging force31 kN16 kNbucket tearout

Rated lift capacity602 kgNot published

Swing speed9.2 rpm8.1 rpm

Minimum swing radius1.4 mNot published

Boom swing, left90°Not published

Boom swing, right50°Not published

Travel speed (high)5.6 km/h3.8 km/h

Travel speed (low)2.1 km/h2 km/h

Ground pressure29.4 kPa0.32 kg/cm2

Max digging reachNot published3.933 m

Max height to dipper nose pivot pinNot published2.973 m

Min front swing radiusNot published1.715 m

Boom swingNot published55 deg. left / 75 deg. right

Arm digging forceNot published9 kN

Tractive effortNot published11 kN

Weight

Operating weight3,273 kg1,822 kg

Transport massNot published1,746 kg

Engine

Engine modelKubota V2203-EB403D-11

Cylinders4D-series O&M manualNot published

Displacement2.2 L1.1 L1,131 cc

Net power29.9 kW (40.0 hp)SAE net at 2,400 rpm14.2 kW (19 hp)at 2,200 rpm

Gross powerNot published14.7 kW (19.7 hp)at 2,200 rpm

Max torqueNot published67 Nmgross, at 1,900 rpm (64.2 Nm net)

Hydraulics

Pump flow91 L/minTotal capacity; imperial 24 gpm44 L/min

Auxiliary circuit flow62 L/minNot published

Auxiliary circuit relief172 barNot published

Max pressureNot published230 barexcavator/track main relief

Slew relief pressureNot published160 bar

Auxiliary flowNot published31 L/mingear pump; 34.2 with variable pump

Service capacities

Fuel tank57.9 L23.5 L

Hydraulic tank29.5 L25 L

Engine oil, with filter7.1 L4 Lengine oil

Cooling system15.1 LWithout heater, including recovery tank5 L

Final drive oil, each side1.6 LNot published

Hydraulic system, with tankNot published28 L

Service intervals

Engine oil and filter250 hoursFirst change at 50 hNot published

Fuel filters250 hoursNot published

Hydraulic filter500 hoursAlso at first 100 hNot published

Hydraulic oil1,000 hoursWith the filter; also at first 100 hNot published

Final drive oil1,000 hoursNot published

Coolant1,000 hoursOr every 6 monthsNot published

Swing circle and pinion grease50 hoursThree fittingsNot published

Pivot points grease10 hours21 placesNot published

Blade

Blade widthNot published1 m1.38 m extended

Max blade heightNot published0.246 m

Max blade depthNot published0.38 m

Sources: Bobcat D-Series Excavators brochure (322, 325, 328, 331, 331E, 334, 337, 341), Machine.Market copy of the Bobcat Company brochure · JCB 8018 CTS specification sheet DWUSA 3243 05/13 (JCB North America; dealer copy, Company Wrench)

Drawn to scale

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

Bobcat 331JCB 8018Same scale, front edges and ground lined up.

Bobcat 331 vs JCB 8018: questions

Which is bigger, the Bobcat 331 or JCB 8018?

By operating weight the Bobcat 331 is the biggest at 3.27 t, then the JCB 8018 at 1.82 t.

Which has more power, the Bobcat 331 or JCB 8018?

The Bobcat 331: Bobcat 331 29.9 kW (40.0 hp), JCB 8018 14.2 kW (19 hp) (net power), a 111% difference.

Which digs deeper, the Bobcat 331 or JCB 8018?

The Bobcat 331: Bobcat 331 3.101 m, JCB 8018 2.142 m (max digging depth), a 45% difference.

Which reaches further, the Bobcat 331 or JCB 8018?

The Bobcat 331: Bobcat 331 4.874 m, JCB 8018 3.865 m (max reach at ground level), a 26% difference.

Which has the bigger fuel tank, the Bobcat 331 or JCB 8018?

The Bobcat 331: Bobcat 331 57.9 L, JCB 8018 23.5 L (fuel tank), a 146% 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.