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Bobcat 331 vs Bobcat E50

The Bobcat E50 is the heavier machine, at 5.15 t against 3.27 t, and the Bobcat E50 has more power (37.1 kW against 29.9 kW).

The Bobcat 331 is ahead on: faster, narrower to transport. The Bobcat E50 is ahead on: 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 Bobcat 331 and the Bobcat E50 drawn to the same scale from their dimension drawings.

  1. Bobcat · mini excavator

    Bobcat 331

    Full specsPDF

  2. Bobcat · mini excavator

    Bobcat E50

    Full specsPDF

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At a glance

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

FigureBobcat 331Bobcat E50
Operating weight3,273 kg5,151 kg
Max digging depthHigher is better3.101 m3.478 m+12%
Max reach at ground levelHigher is better4.874 m5.889 m+21%
Max dumping heightHigher is better3.089 m3.915 m+27%
Bucket digging forceHigher is better31 kN42 kN+36%
Fuel tankHigher is better57.9 L72 L+24%
Travel speed (high)Higher is better5.6 km/h+24%4.5 km/h
Overall widthLower is better1.54 m+17%1.849 m

All specifications

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

Dimensions

Overall length4.88 mTravel position; 4,882 mm in the O&M manualNot published
Overall height (to top of cab)2.391 m2,394 mm in the O&M manualNot published
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 mNot published
Overall width1.54 mOver tracks1.849 m
Shoe width0.32 mRubber trackNot published

Performance

Max digging height4.539 mNot published
Max dumping height3.089 m3.915 m
Max digging depth3.101 m3.478 mStandard arm; 3,878 mm with long arm
Max vertical wall digging depth2.202 mNot published
Max reach at ground level4.874 m5.889 mStandard arm; 6,278 mm with long arm
Stick length1.2 mNot published
Bucket digging force31 kN42 kN
Rated lift capacity602 kg3,060 kg
Swing speed9.2 rpmNot published
Minimum swing radius1.4 mNot published
Boom swing, left90°Not published
Boom swing, right50°Not published
Travel speed (high)5.6 km/h4.5 km/h
Travel speed (low)2.1 km/h2.8 km/h
Ground pressure29.4 kPa29.0 kPa
Arm digging forceNot published31 kN

Weight

Operating weight3,273 kg5,151 kg5,351 kg with long arm and counterweight
Track widthNot published0.4 mStandard track

Engine

Engine modelKubota V2203-EBNot published
Cylinders4D-series O&M manualNot published
Displacement2.2 LNot published
Net power29.9 kW (40.0 hp)SAE net at 2,400 rpmNot published
EmissionsNot publishedTier 4
Gross powerNot published37.1 kW (49.7 hp)

Hydraulics

Pump flow91 L/minTotal capacity; imperial 24 gpmNot published
Auxiliary circuit flow62 L/min76 L/min
Auxiliary circuit relief172 bar210 barAuxiliary hydraulic pressure

Service capacities

Fuel tank57.9 L72 L
Hydraulic tank29.5 LNot published
Engine oil, with filter7.1 LNot published
Cooling system15.1 LWithout heater, including recovery tankNot published
Final drive oil, each side1.6 LNot published

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 Latin America E50 Mini Excavator product page (specifications)

Drawn to scale

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

0 m1 m2 m3 m4 m5 m
Bobcat 331Bobcat E50Same scale, front edges and ground lined up.

Bobcat 331 vs Bobcat E50: questions

Which is bigger, the Bobcat 331 or Bobcat E50?

By operating weight the Bobcat E50 is the biggest at 5.15 t, then the Bobcat 331 at 3.27 t.

Which digs deeper, the Bobcat 331 or Bobcat E50?

The Bobcat E50: Bobcat 331 3.101 m, Bobcat E50 3.478 m (max digging depth), a 12% difference.

Which reaches further, the Bobcat 331 or Bobcat E50?

The Bobcat E50: Bobcat 331 4.874 m, Bobcat E50 5.889 m (max reach at ground level), a 21% difference.

Which has the bigger fuel tank, the Bobcat 331 or Bobcat E50?

The Bobcat E50: Bobcat 331 57.9 L, Bobcat E50 72 L (fuel tank), a 24% difference.

Which is narrower to transport, the Bobcat 331 or Bobcat E50?

The Bobcat 331: Bobcat 331 1.54 m, Bobcat E50 1.849 m (overall width), a 17% 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.

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