Bobcat 328 Compact Mini Excavator Specs

Description:

The Bobcat 328 Compact Mini Excavator is a powerful and reliable machine built for productivity in tight spaces. Produced from 2003 to 2006, the 328 features a dependable Kubota D1703-M-E2B diesel engine rated at approximately 27.5 horsepower. Its compact footprint and strong hydraulic system make it ideal for trenching, digging, and general jobsite use, especially in residential or urban environments.

Engine & Powertrain:

• Engine: Kubota D1703-M-E2B, 3-cylinder diesel

• Horsepower: 27.5 hp

• Displacement: 97.6 cu in

• Fuel Capacity: 14 gallons

• Travel Speed: 1.9 mph

Hydraulic System:

• Hydraulic Flow: 17.5 GPM

• System Pressure: 2,500 psi

• Swing Speed: 9.2 rpm

• Boom Swing: 70° left, 55° right

Dimensions & Capacity:

• Operating Weight: 6,146 lbs

• Maximum Digging Depth: 9.4 ft

• Maximum Reach at Ground Level: 14.9 ft

• Width: 4 ft 7 in

• Height: 7 ft 7 in

• Ground Pressure: Approximately 4.2 psi

Maintenance Essentials:

• Regularly replace hydraulic oil and filters

• Maintain proper track tension and grease all pivot points

• Inspect and top off final drive oil

• Keep the radiator and cooling fins clean

• Replace air and fuel filters seasonally

Common Issues & Solutions:

• Hydraulic leaks at cylinder seals or hose fittings — solve with Bobcat 328 hydraulic cylinder seal kits

• Worn pivot pins and bushings — replace with Bobcat 328 pin and bushing kits

• Hard starting or fuel issues — swap clogged filters using Bobcat 328 fuel system parts

• Final drive noise or slippage — inspect drive components and replace with Bobcat 328 final drive parts

Serial Number Breaks:
Common serial number prefixes include 514013001, 516611001, A9K011001, A9K111001, and AAC511001. The serial number plate is typically located on the front frame under the cab area. Always verify your serial number before ordering parts to ensure compatibility.

Pro Tips:

• Keep a spare hydraulic seal kit and filters on-hand for field repairs

• Grease all joints regularly to extend the life of pins and bushings

• Replace rubber tracks when tread becomes shallow or cracked

• Monitor cooling system temperature during summer operation to avoid overheating