Bobcat 331 vs Bobcat E20

The Bobcat 331 is the heavier machine, at 3.27 t against 1.93 t, and the Bobcat 331 has more power (29.9 kW against 9.9 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 Bobcat E20 is ahead on: lower to transport.

Below, every figure both makers publish sits side by side, with the Bobcat 331 and the Bobcat E20 drawn to the same scale from their dimension drawings.

Bobcat · mini excavator
Bobcat 331
Change modelFull specs PDF
Bobcat · mini excavator
Bobcat E20
Change modelFull specs PDF
Add a modelUp to four

At a glance

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

Figure	Bobcat 331	Bobcat E20
Operating weight	3,273 kg	1,930 kg
Net powerHigher is better	29.9 kW+202%	9.9 kW
Max digging depthHigher is better	3.101 m+30%	2.385 m
Max reach at ground levelHigher is better	4.874 m+19%	4.089 m
Max dumping heightHigher is better	3.089 m+20%	2.566 m
Bucket digging forceHigher is better	31 kN+49%	21 kN
Pump flowHigher is better	91 L/min+120%	41 L/min
Fuel tankHigher is better	57.9 L+205%	19 L
Travel speed (high)Higher is better	5.6 km/h+40%	4 km/h
Overall height (to top of cab)Lower is better	2.391 m	2.297 m+4%
Overall length	4.88 m	3.688 m

All specifications

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

Differences only(68)

FigureBobcat 331 Bobcat E20

Dimensions

Overall length4.88 mTravel position; 4,882 mm in the O&M manual3.688 mOverall length in travel position

Overall height (to top of cab)2.391 m2,394 mm in the O&M manual2.297 m

Swing centre to front (transport)3.493 m2.882 m

Engine cover height1.476 m1.138 m

Ground clearance, counterweight0.511 m532 mm in the O&M manual0.419 m

Blade height0.378 m0.235 m

Overall width1.54 mOver tracksNot published

Shoe width0.32 mRubber track0.23 mRubber track

Track lengthNot published1.62 mOverall length of track assembly

Track length on groundNot published1.258 m

Swing centre to bladeNot published1.045 m

Track lug heightNot published0.025 m

Blade widthNot published0.98 m

Blade width, undercarriage extendedNot published1.36 m

Boom swing offset, leftNot published0.476 m

Boom swing offset, rightNot published0.638 m

Min front swing radiusNot published1.19 m

Tail swing radiusNot published0.69 m

Working width at max right-hand rotationNot published1.532 m

Working width at max left-hand rotationNot published1.37 m

Performance

Max digging height4.539 m3.573 m

Max dumping height3.089 m2.566 m

Max digging depth3.101 m2.385 mStandard dipperstick

Max vertical wall digging depth2.202 m1.948 m

Max reach at ground level4.874 m4.089 m

Stick length1.2 mNot published

Bucket digging force31 kN21 kN

Rated lift capacity602 kgNot published

Swing speed9.2 rpm8.4 rpmSlew rate

Minimum swing radius1.4 mNot published

Boom swing, left90°80°

Boom swing, right50°60°

Travel speed (high)5.6 km/h4 km/h

Travel speed (low)2.1 km/h2.5 km/h

Ground pressure29.4 kPa31.10 kPaRubber tracks

Max digging reachNot published4.134 m

Max digging depth, long dipperstickNot published2.565 m

Max height of working equipment, dipperstick retractedNot published2.564 m

Max working equipment radius, boom at max height, dipperstick retractedNot published1.592 m1,611 mm with long dipperstick (D*)

Max blade heightNot published0.22 mAbove ground

Max blade depthNot published0.204 mBelow ground

Bucket rotationNot published196°

Arm digging forceNot published10 kN

Max drawbar pullNot published19 kN

Weight

Operating weight3,273 kg1,930 kg

Engine

Engine modelKubota V2203-EBKubota D722-E2B-BCZ-7

Cylinders4D-series O&M manual3

Displacement2.2 L0.7 L

Net power29.9 kW (40.0 hp)SAE net at 2,400 rpm9.9 kW (13 hp)ISO 9249

Max torqueNot published42 NmNet, ISO 9249

Hydraulics

Pump flow91 L/minTotal capacity; imperial 24 gpm41 L/min

Auxiliary circuit flow62 L/min30 L/min

Auxiliary circuit relief172 bar180 bar

Max pressureNot published210 - 250 barBoom port relief, base and rod end

Service capacities

Fuel tank57.9 L19 L

Hydraulic tank29.5 LNot published

Engine oil, with filter7.1 L3.3 L

Cooling system15.1 LWithout heater, including recovery tank3.3 L

Final drive oil, each side1.6 LNot published

Hydraulic system, with tankNot published19 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

Sources: Bobcat D-Series Excavators brochure (322, 325, 328, 331, 331E, 334, 337, 341), Machine.Market copy of the Bobcat Company brochure · Bobcat E20 Excavator Spec Sheet, Bobcat EMEA, 2017-7-5 (AWRH 11001 - AWRH 99999), trade-site copy of the maker sheet

Drawn to scale

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

Bobcat 331Bobcat E20Same scale, front edges and ground lined up.

Bobcat 331 vs Bobcat E20: questions

Which is bigger, the Bobcat 331 or Bobcat E20?

By operating weight the Bobcat 331 is the biggest at 3.27 t, then the Bobcat E20 at 1.93 t.

Which has more power, the Bobcat 331 or Bobcat E20?

The Bobcat 331: Bobcat 331 29.9 kW (40.0 hp), Bobcat E20 9.9 kW (13 hp) (net power), a 202% difference.

Which digs deeper, the Bobcat 331 or Bobcat E20?

The Bobcat 331: Bobcat 331 3.101 m, Bobcat E20 2.385 m (max digging depth), a 30% difference.

Which reaches further, the Bobcat 331 or Bobcat E20?

The Bobcat 331: Bobcat 331 4.874 m, Bobcat E20 4.089 m (max reach at ground level), a 19% difference.

Which has the bigger fuel tank, the Bobcat 331 or Bobcat E20?

The Bobcat 331: Bobcat 331 57.9 L, Bobcat E20 19 L (fuel tank), a 205% 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.