Bobcat 331 vs Cat 302 CR

The Bobcat 331 is the heavier machine, at 3.27 t against 2.26 t, and the Bobcat 331 has more power (29.9 kW against 15.7 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 Cat 302 CR is ahead on: lower to transport.

Below, every figure both makers publish sits side by side, with the Bobcat 331 and the Cat 302 CR drawn to the same scale from their dimension drawings.

Bobcat · mini excavator
Bobcat 331
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Cat · mini excavator
Cat 302 CR
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At a glance

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

Figure	Bobcat 331	Cat 302 CR
Operating weight	3,273 kg	2,262 kg
Net powerHigher is better	29.9 kW+90%	15.7 kW
Max digging depthHigher is better	3.101 m+31%	2.37 m
Max reach at ground levelHigher is better	4.874 m+21%	4.04 m
Max dumping heightHigher is better	3.089 m+21%	2.56 m
Bucket digging forceHigher is better	31 kN+59%	20 kN
Pump flowHigher is better	91 L/min+38%	66 L/min
Fuel tankHigher is better	57.9 L+123%	26 L
Travel speed (high)Higher is better	5.6 km/h+27%	4.4 km/h
Overall height (to top of cab)Lower is better	2.391 m	2.3 m+4%
Overall length	4.88 m	3.9 m

All specifications

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

Differences only(91)

FigureBobcat 331 Cat 302 CR

Dimensions

Overall length4.88 mTravel position; 4,882 mm in the O&M manual3.9 m

Overall height (to top of cab)2.391 m2,394 mm in the O&M manual2.3 mOverall shipping height

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 m0.225 m

Overall width1.54 mOver tracksNot published

Shoe width0.32 mRubber track0.25 mTrack belt/shoe width

Tail swing radiusNot published0.75 mTail swing

Max blade heightNot published0.285 mBlade raised, above ground

Max blade depthNot published0.295 mBlade lowered, below ground

Overall height (to top of boom)Not published1.07 m

Overall height (to top of boom), long stickNot published1.02 m

Swing bearing heightNot published0.442 m

Track lengthNot published1.85 mOverall undercarriage length

Overall length, long stickNot published3.88 m

Width of crawlerNot published1.09 m

Width of crawler (tracks expanded)Not published1.4 m

Ground clearance (minimum)Not published0.15 mMinimum ground clearance below undercarriage

Performance

Max digging height4.539 m3.55 m

Max dumping height3.089 m2.56 mMaximum dump clearance, standard stick

Max digging depth3.101 m2.37 m

Max vertical wall digging depth2.202 m1.85 mVertical wall, standard stick

Max reach at ground level4.874 m4.04 m

Stick length1.2 m0.96 m

Bucket digging force31 kN20 kN

Rated lift capacity602 kgNot published

Swing speed9.2 rpm9.8 rpmMachine swing speed

Minimum swing radius1.4 mNot published

Boom swing, left90°65°

Boom swing, right50°50°

Travel speed (high)5.6 km/h4.4 km/h

Travel speed (low)2.1 km/h2.9 km/h

Ground pressure29.4 kPaNot published

Max digging depth, long stickNot published2.57 m

Max vertical wall digging depth, long stickNot published1.94 m

Max reach at ground level, long stickNot published4.21 m

Max digging reachNot published4.11 mMaximum reach, standard stick

Max digging reach, long stickNot published4.27 m

Max digging height, long stickNot published3.62 m

Max dumping height, long stickNot published2.64 m

Boom-in reachNot published1.66 mBoom in reach, standard and long stick

Arm digging forceNot published11 kNStick digging force, standard stick

Arm digging force, long stickNot published10 kNStick digging force, long stick

Weight

Operating weight3,273 kg2,262 kg

Operating weight, cab (minimum)Not published2,057 kg

Operating weight, canopy (minimum)Not published1,918 kg

Operating weight, canopy (maximum)Not published2,081 kg

EU CE plate weight, canopyNot published2,045 kg

EU CE plate weight, cabNot published2,140 kg

Weight increase, long stickNot published8 kg

Weight increase, steel tracksNot published60 kg

Weight increase, expandable undercarriageNot published96 kg

Engine

Engine modelKubota V2203-EBCat C1.1

Cylinders4D-series O&M manualNot published

Displacement2.2 L1.1 L

Net power29.9 kW (40.0 hp)SAE net at 2,400 rpm15.7 kW (21 hp)ISO 9249, 80/1269/EEC, at 2,400 rpm

EmissionsNot publishedU.S. EPA Tier 4 Final / EU Stage V

Gross powerNot published16.1 kW (21.6 hp)Engine power, SAE J1995:2014

BoreNot published77 mm

StrokeNot published81 mm

Hydraulics

Pump flow91 L/minTotal capacity; imperial 24 gpm66 L/min

Auxiliary circuit flow62 L/minNot published

Auxiliary circuit relief172 barNot published

Max pressureNot published245 barOperating pressure, equipment

Operating pressure, travelNot published245 bar

Operating pressure, swingNot published147 bar

Auxiliary circuit flow, primaryNot published33 L/minPressure 245 bar

Auxiliary circuit flow, secondaryNot published14 L/minPressure 245 bar

Service capacities

Fuel tank57.9 L26 L

Hydraulic tank29.5 L18 L

Engine oil, with filter7.1 LNot published

Cooling system15.1 LWithout heater, including recovery tank3.9 L

Final drive oil, each side1.6 LNot published

Engine oilNot published4.4 L

Hydraulic systemNot published26 L

Final drive (each)Not published0.6 LApproximate, 302 CR (S/N RHM00001-Up)

Service intervals

Engine oil and filter250 hoursFirst change at 50 h500 hours

Fuel filters250 hoursNot published

Hydraulic filter500 hoursAlso at first 100 hNot published

Hydraulic oil1,000 hoursWith the filter; also at first 100 h3,000 hours

Final drive oil1,000 hours1,000 hours

Coolant1,000 hoursOr every 6 months12,000 hours6,000 h minimum

Swing circle and pinion grease50 hoursThree fittingsNot published

Pivot points grease10 hours21 placesNot published

Travel

Max traction force, high speedNot published13 kN

Max traction force, low speedNot published20 kN

Ground pressure, minimum weightNot published23.7 kPa

Ground pressure, maximum weightNot published26.8 kPa

Gradeability (maximum)Not published30°

Blade

Blade widthNot published1.09 mExpanded: 1400 mm (55 in)

Boom and stick

Boom lengthNot published1.85 mOne-piece boom

Stick length, long stickNot published1.16 m

Sources: Bobcat D-Series Excavators brochure (322, 325, 328, 331, 331E, 334, 337, 341), Machine.Market copy of the Bobcat Company brochure · Cat 302 CR Mini Excavator Specalog AEHQ8146-09 (09-2025, build 05A, Global excluding China and Japan)

Drawn to scale

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

Bobcat 331Cat 302 CRSame scale, front edges and ground lined up.

Bobcat 331 vs Cat 302 CR: questions

Which is bigger, the Bobcat 331 or Cat 302 CR?

By operating weight the Bobcat 331 is the biggest at 3.27 t, then the Cat 302 CR at 2.26 t.

Which has more power, the Bobcat 331 or Cat 302 CR?

The Bobcat 331: Bobcat 331 29.9 kW (40.0 hp), Cat 302 CR 15.7 kW (21 hp) (net power), a 90% difference.

Which digs deeper, the Bobcat 331 or Cat 302 CR?

The Bobcat 331: Bobcat 331 3.101 m, Cat 302 CR 2.37 m (max digging depth), a 31% difference.

Which reaches further, the Bobcat 331 or Cat 302 CR?

The Bobcat 331: Bobcat 331 4.874 m, Cat 302 CR 4.04 m (max reach at ground level), a 21% difference.

Which has the bigger fuel tank, the Bobcat 331 or Cat 302 CR?

The Bobcat 331: Bobcat 331 57.9 L, Cat 302 CR 26 L (fuel tank), a 123% 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.