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Caterpillar 308 CR (Fixed Boom) Mini Excavator Specs

Air Conditioning System

Caterpillar 308 CR (Fixed Boom) Mini Excavator Air Conditioning System specifications
Air Conditioning The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf (Europe) (Global Warming Potential = 1430). See label or instruction manual for gas refrigerant identification. The system contains 0.75 kg (1.65 lb), 0.90 kg (1.98 lb) or 1 kg (2.20 lb) of refrigerant which has a CO2 equivalent of 1.430 metric tonnes (1.576 tons) for R134a and 0.001 tonnes (0.001 tons) for R1234yf (Europe). - Starting 2026

Blade

Caterpillar 308 CR (Fixed Boom) Mini Excavator Blade specifications
Height 17.00 in (43.18 cm) - Starting 2026
Width - Standard 90.60 in (230.12 cm) - Starting 2026
Width - Wide 96.50 in (245.11 cm) - Starting 2026

Certification - Cab

Caterpillar 308 CR (Fixed Boom) Mini Excavator Certification - Cab specifications
Roll Over Protective Structure (ROPS) ISO 12117-2:2008 - Starting 2026
Top Guard ISO 10262:1998 (Level I) - Starting 2026

Dimensions - Long Stick

Caterpillar 308 CR (Fixed Boom) Mini Excavator Dimensions - Long Stick specifications
Boom In Reach 89.00 in (226.06 cm) - Starting 2026
Cab Height 100.00 in (254.00 cm) - Starting 2026
Dig Depth 185.00 in (469.90 cm) - Starting 2026
Ground Clearance 14.00 in (35.56 cm) - Starting 2026
Height - Boom Transport - No Tools* 100.00 in (254.00 cm) - Starting 2026
Height - Boom Working - With Tools** 121.00 in (307.34 cm) - Starting 2026
Maximum Blade Depth 16.00 in (40.64 cm) - Starting 2026
Maximum Blade Height 14.60 in (37.08 cm) - Starting 2026
Maximum Dig Height 307.00 in (779.78 cm) - Starting 2026
Maximum Dump Clearance 223.00 in (566.42 cm) - Starting 2026
Maximum Reach 272.00 in (690.88 cm) - Starting 2026
Maximum Reach - Ground Level 266.00 in (675.64 cm) - Starting 2026
O/A Track Width 91.00 in (231.14 cm) - Starting 2026
O/A Undercarriage Length 113.00 in (287.02 cm) - Starting 2026
Overall Shipping Length - with Counterweight 5800 mm (228 in)*** - Starting 2026
Overall Shipping Length - without Counterweight 5665 mm (223 in)*** - Starting 2026
Stick Length 87.00 in (220.98 cm) - Starting 2026
Swing Bearing - Height 30.00 in (76.20 cm) - Starting 2026
Tail Swing with Counterweight 56.00 in (142.24 cm) - Starting 2026
Tail Swing without Counterweight 51.00 in (129.54 cm) - Starting 2026
Track Belt/Shoe Width 18.00 in (45.72 cm) - Starting 2026
Vertical Wall 162.00 in (411.48 cm) - Starting 2026

Dimensions - Standard Stick

Caterpillar 308 CR (Fixed Boom) Mini Excavator Dimensions - Standard Stick specifications
Boom In Reach 66.00 in (167.64 cm) - Starting 2026
Cab Height 100.00 in (254.00 cm) - Starting 2026
Dig Depth 163.00 in (414.02 cm) - Starting 2026
Ground Clearance 14.00 in (35.56 cm) - Starting 2026
Height - Boom Transport - No Tools* 97.00 in (246.38 cm) - Starting 2026
Height - Boom Working - With Tools** 105.00 in (266.70 cm) - Starting 2026
Maximum Blade Depth 16.00 in (40.64 cm) - Starting 2026
Maximum Blade Height 14.60 in (37.08 cm) - Starting 2026
Maximum Dig Height 291.00 in (739.14 cm) - Starting 2026
Maximum Dump Clearance 207.00 in (525.78 cm) - Starting 2026
Maximum Reach 252.00 in (640.08 cm) - Starting 2026
Maximum Reach - Ground Level 246.00 in (624.84 cm) - Starting 2026
O/A Track Width 91.00 in (231.14 cm) - Starting 2026
O/A Undercarriage Length 113.00 in (287.02 cm) - Starting 2026
Overall Shipping Length - with Counterweight 228.00 in (579.12 cm) - Starting 2026
Overall Shipping Length - without Counterweight 222.00 in (563.88 cm) - Starting 2026
Stick Length 66.00 in (167.64 cm) - Starting 2026
Swing Bearing - Height 30.00 in (76.20 cm) - Starting 2026
Tail Swing with Counterweight 56.00 in (142.24 cm) - Starting 2026
Tail Swing without Counterweight 51.00 in (129.54 cm) - Starting 2026
Track Belt/Shoe Width 18.00 in (45.72 cm) - Starting 2026
Vertical Wall 142.00 in (360.68 cm) - Starting 2026

Engine

Caterpillar 308 CR (Fixed Boom) Mini Excavator Engine specifications
Bore 3.50 in (8.89 cm) - Starting 2026
Displacement 171.00 cu in (2,802.19 cu cm) - Starting 2026
Engine Model Cat® C2.8 Turbo - Starting 2026
Gross Power - ISO 14396 74.30 hp (55.41 kw) - Starting 2026
Net Power 69.00 hp (51.45 kw) - Starting 2026
Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC 69.00 hp (51.45 kw) - Starting 2026
Stroke 4.30 in (10.92 cm) - Starting 2026

Hydraulic System

Caterpillar 308 CR (Fixed Boom) Mini Excavator Hydraulic System specifications
Digging Force - Bucket 13,241.00 lbs ft (17,952.15 nm) - Starting 2026
Digging Force - Stick - Long 8,250.00 lbs ft (11,185.35 nm) - Starting 2026
Digging Force - Stick - Standard 9,285.00 lbs ft (12,588.60 nm) - Starting 2026
Maximum Auxiliary Circuit - Primary - Flow at Pump 35.00 gpm (132.48 lpm) - Starting 2026
Maximum Auxiliary Circuit - Primary - Pressure at Pump 4134 psi - Starting 2026
Maximum Auxiliary Circuit - Secondary - Flow at Pump 9.00 gpm (34.07 lpm) - Starting 2026
Maximum Auxiliary Circuit - Secondary - Pressure at Pump 4134 psi - Starting 2026
Operating Pressure - Equipment 4134 psi - Starting 2026
Operating Pressure - Swing 3626 psi - Starting 2026
Operating Pressure - Travel 4134 psi - Starting 2026
Pump Flow at 2,400 rpm 44.00 gpm (166.54 lpm) - Starting 2026
Type Load Sensing Hydraulics with Variable Displacement Piston Pump - Starting 2026

Service Refill Capacities

Caterpillar 308 CR (Fixed Boom) Mini Excavator Service Refill Capacities specifications
Cooling System 2.60 gal (9.84 l) - Starting 2026
Engine Oil 2.30 gal (8.71 l) - Starting 2026
Fuel Tank 38.00 gal (143.83 l) - Starting 2026
Hydraulic System 29.00 gal (109.77 l) - Starting 2026
Hydraulic Tank 14.00 gal (52.99 l) - Starting 2026

Sound

Caterpillar 308 CR (Fixed Boom) Mini Excavator Sound specifications
Average Exterior Sound Pressure (ISO 6395:2008) 99 dB(A) - Starting 2026
Operator Sound Pressure (ISO 6396:2008) 72 dB(A) - Starting 2026

Sustainability

Caterpillar 308 CR (Fixed Boom) Mini Excavator Sustainability specifications
Recyclability 96% - Starting 2026

Swing System

Caterpillar 308 CR (Fixed Boom) Mini Excavator Swing System specifications
Machine Swing Speed 10 r/min - Starting 2026

Travel System

Caterpillar 308 CR (Fixed Boom) Mini Excavator Travel System specifications
Gradeability - Maximum 30 degrees - Starting 2026
Ground Pressure - Maximum Weight 5.4 psi - Starting 2026
Ground Pressure - Minimum Weight 4.8 psi - Starting 2026
Maximum Traction Force - High Speed 6,587.00 lbs ft (8,930.65 nm) - Starting 2026
Maximum Traction Force - Low Speed 15,962.00 lbs ft (21,641.28 nm) - Starting 2026
Travel Speed - High 3.00 mph (4.83 kph) - Starting 2026
Travel Speed - Low 1.80 mph (2.90 kph) - Starting 2026

Weight Increase From Minimum Configuration

Caterpillar 308 CR (Fixed Boom) Mini Excavator Weight Increase From Minimum Configuration specifications
Counterweight 551.00 lbs (249.93 kg) - Starting 2026
Long Stick 187.00 lbs (84.82 kg) - Starting 2026
Steel Tracks with Pads 662.00 lbs (300.28 kg) - Starting 2026

Weights

Caterpillar 308 CR (Fixed Boom) Mini Excavator Weights specifications
Maximum Operating Weight with Cab** 18,659.00 lbs (8,463.59 kg) - Starting 2026
Minimum Operating Weight with Cab* 16,707.00 lbs (7,578.18 kg) - Starting 2026
Operating Weight 18,659.00 lbs (8,463.59 kg) - Starting 2026
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