The Cat® 308E2 CR Mini Hydraulic Excavator delivers high performance, durability and versatility in a compact design to help you work in a variety of applications.
Engine | |
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Engine Model | Cat® C3.3B |
Net Power | 65 HP / 48.5 kW |
Bore | 3.7 in / 94 mm |
Displacement | 203.2 in³ / 3.33 l |
Gross Power - ISO 14396 | 66.6 HP / 49.7 kW |
Net Power - ISO 9249 | 65 HP / 48.5 kW |
Rated Net Power - 2,400 rpm - ISO 9249/EEC 80/1269 | 65 HP / 48.5 kW |
Stroke | 4.7 in / 120 mm |
Emissions | Meets U.S. EPA Tier 4 Final and EU Stage IIIB emission standards. |
Weights | |
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Operating Weight | 18519 lb / 8400 kg |
Operating Weight - With Cab | 18519 lb / 8400 kg |
Note (1) | Weight with rubber tracks, bucket, operator (75 kg/165 lb), full fuel and auxiliary lines. |
Note (2) | Weight varies depending on machine configuration. |
Travel System | |
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Ground Pressure | 5.26 psi / 36.3 kPa |
Gradeability - Maximum | 30° |
Maximum Traction Force - High Speed | 8408 lb / 37.4 kN |
Maximum Traction Force - Low Speed | 14500 lb / 64.5 kN |
Travel Speed - High | 3.17 mile/h / 5.1 km/h |
Travel Speed - Low | 1.74 mile/h / 2.8 km/h |
Note (1) | Each track is driven by one independent 2-speed motor. |
Note (2) | Drive modules are integrated into the roller frame for total protection. |
Note (3) | Straight line travel when tracking and operating the front linkage simultaneously. |
Hydraulic System | |
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Auxiliary Circuit - Primary (280 bar/4,061 psi) | 33.8 gal/min / 128 l/min |
Auxiliary Circuit - Secondary (280 bar/4,061 psi) | 16.9 gal/min / 64 l/min |
Digging Force - Bucket | 13534 lb / 60.2 kN |
Digging Force - Stick - Long | 7891 lb / 35.1 kN |
Digging Force - Stick - Standard | 9015 lb / 40.1 kN |
Operating Pressure - Equipment | 4061 psi / 28000 kPa |
Operating Pressure - Swing | 3481 psi / 24000 kPa |
Operating Pressure - Travel | 4061 psi / 28000 kPa |
Pump Flow at 2,000 rpm | 39.6 gal/min / 150 l/min |
Note | Load sensing hydraulics with variable displacement piston pump. |
Swing System | |
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Machine Swing Speed | 11 r/min |
Boom Swing - Left | 60° |
Boom Swing - Right | 50° |
Note | Automatic swing break, spring applied, hydraulic release. |
Blade | |
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Width | 91.3 in / 2320 mm |
Height | 17.7 in / 450 mm |
Dig Depth | 14.2 in / 360 mm |
Lift Height | 15 in / 380 mm |
Service Refill Capacities | |
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Cooling System | 3.7 gal (US) / 14 l |
Engine Oil | 3 gal (US) / 11.2 l |
Hydraulic Tank | 21.7 gal (US) / 82 l |
Fuel Tank | 33 gal (US) / 125 l |
Hydraulic System | 24.8 gal (US) / 94 l |
Operating Specifications | |
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Counterweight | 551 lb / 251 kg |
Machine Overhang | 11 in / 279.4 mm |
Machine Overhang with Counterweight | 16 in / 406 mm |
Maximum Dig Depth | 13.62 ft / 4150 mm |
Stick Length - Long | 7.25 ft / 2210 mm |
Stick Length - Standard | 5.5 ft / 1670 mm |
Cab | |
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Average Exterior Sound Pressure | 99 dB(A) ISO 6395 – Dynamic Test |
Dynamic Operator Sound Pressure | 70 dB(A) ISO 6396 |
Air Conditioning System | |
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Air Conditioning | The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.3 kg (2.9 lb) of refrigerant which has a CO2 equivalent of 1.9 metric tonnes (4,189 lb). |
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