Engine ModelCat® C2.4 Turbo
Net Power50.6 HP (37.7 kW)
Bore3.4 in (87 mm)
Displacement146.5 in³ (2.4 l)
The Cat® 307E2 Mini Hydraulic Excavator delivers high performance, durability and versatility in a standard tail swing design to help you work in a variety of applications.


Engine ModelCat® C2.4 Turbo
Net Power50.6 HP (37.7 kW)
Bore3.4 in (87 mm)
Displacement146.5 in³ (2.4 l)
Gross Power - ISO 1439653.1 HP (39.6 kW)
NoteMeets U.S. EPA Tier 4 Final and EU Stage IIIB emission standards.
Rated Net Power - 2,200 rpm - ISO 9249/EEC 80/126950.6 HP (37.7 kW)
Stroke4 in (102.4 mm)
Operating Weight16028 lb (7270 kg)
Operating Weight - With Cab16028 lb (7270 kg)
Ground Pressure4.92 psi (33.9 kPa)
Gradeability - Maximum20°
Maximum Traction Force - High Speed7599 (33.8 kN)
Maximum Traction Force - Low Speed13331 (59.3 kN)
Travel Speed - High3.17 mile/h (5.1 km/h)
Travel Speed - Low1.99 mile/h (3.2 km/h)
Auxiliary Circuit - Primary (280 bar/4,061 psi)33.8 gal/min (128 l/min)
Auxiliary Circuit - Secondary (280 bar/4,061 psi)8.7 gal/min (33 l/min)
Digging Force - Bucket11375 (50.6 kN)
Digging Force - Stick - Standard8340 (37.1 kN)
NoteLoad sensing hydraulics with variable displacement piston pump.
Operating Pressure - Equipment4061 psi (28000 kPa)
Operating Pressure - Swing4061 psi (28000 kPa)
Operating Pressure - Travel4061 psi (28000 kPa)
Pump Flow at 2,400 rpm40.9 gal/min (154 l/min)
Machine Swing Speed10.2 r/min (10.2 r/min)
NoteAutomatic swing break, spring applied, hydraulic release.
Width90.6 in (2300 mm)
Height17.5 in (445 mm)
Dig Depth15.3 in (390 mm)
Lift Height13.8 in (350 mm)
Cooling System3.7 gal (US) (14 l)
Engine Oil2.9 gal (US) (11 l)
Hydraulic Tank13.5 gal (US) (51 l)
Fuel Tank35.7 gal (US) (135 l)
Hydraulic System20.6 gal (US) (78 l)
Machine Overhang1.2 ft (358 mm)
Stick Length - Standard5.5 ft (1670 mm)
Average Exterior Sound Pressure98 dB(A) ISO 6395 – Dynamic Test
Boom Height - Shipping Position8.6 ft (2630 mm)
Boom In Reach5.5 ft (1690 mm)
Dig Depth13.4 ft (4070 mm)
Maximum Blade Depth1.1 ft (350 mm)
Maximum Blade Height1.3 ft (390 mm)
Maximum Dig Height23.8 ft (7240 mm)
Maximum Dump Clearance17 ft (5190 mm)
Maximum Reach20.7 ft (6300 mm)
Maximum Reach - Ground Level20.2 ft (6160 mm)
O/A Shipping Height8.6 ft (2630 mm)
O/A Shipping Length19.9 ft (6080 mm)
O/A Track Width7.2 ft (2200 mm)
O/A Undercarriage Length9 ft (2760 mm)
Swing Bearing - Height2.5 ft (775 mm)
Tail Swing - Standard Counterweight5.7 ft (1750 mm)
Track Belt/Shoe Width1.5 ft (450 mm)
Vertical Wall11.9 ft (3630 mm)
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.
Number of Carrier Rollers1 per side
Number of Track Rollers5 per side
Track Roller TypeCenter flange
Note (1)Weight with steel tracks with rubber pads, bucket, operator (75 kg/165 lb), full fuel and auxiliary lines.
Note (2)Weight varies depending on machine configuration.