Bobcat 435 Compact Mini Excavator Specs

Description:

The Bobcat 435 Compact Mini Excavator, introduced in 2012, combines a narrow footprint with powerful performance for urban construction, landscaping, and utilities. Featuring a zero-tail swing design, it fits through tight spaces (opera width retracts to 59″, expands to 72″ for stability). It’s powered by a Kubota D1105 diesel engine producing 22 HP and delivers efficient hydraulics with both auxiliary and primary flow, making it ideal for attachments.

Engine Specs:

• Model: Kubota D1105

• Type: 3‑cylinder liquid-cooled diesel

• Displacement: 1.123 L

• Horsepower: 22 HP @ 2,900 rpm

Hydraulic System:

• Auxiliary Flow: 7.5 GPM

• Main System Flow: 11.3 GPM

• System Relief Pressure: ~3,200 psi

• Swing Speed: 9 rpm

• Bucket Breakout: ~4,000 lbs

Dimensions & Performance:

• Operating Weight: 3,900 lbs (1,770 kg)

• Max Dig Depth: 8 ft 3 in

• Reach at Ground Level: 12 ft 9 in

• Dump Height: 7 ft 1 in

• Travel Speed: 1.8–2.6 mph

• Width (retracted): 59 in; (extended): 72 in

• Length (transport): 12 ft 10 in

• Height to Top of Cab: 86 in

Serial Number Range:

• Serial numbers begin with 6453‑11001 and above

• Serial plate located on front frame beneath the cab; engine serial near injection pump

Common Maintenance & Wear Parts:

• Hydraulic cylinder seal kits and hoses

• Pivot pins and bushings

• Final drive and travel motors

• Track adjusters and undercarriage components

• Oil, hydraulic, and engine air filters

• Radiators, coolant hoses, belts

• Swing motor seals

Frequent Issues & Quick Fixes:

• Hydraulic Drips: Replace seals or deteriorated hoses

• Reduced Swing/Travel Performance: Clean hydraulic filters and inspect motors

• Boom Slop: Replace worn pivot pins and bushings

• Engine Running Hot: Clean radiator and inspect coolant hoses

• Track Wear/Slack: Check and adjust tension; inspect rollers

Pro Tips:

• Grease swing bearing and boom pivots daily

• Retract/extend undercarriage often to clear debris

• Replace hydraulic oil and filters on schedule to prolong pump life

• Keep radiator and hydraulic cooler clean for optimal performance

• Inspect final drives and swing motors for leaks or damage at oil change intervals

Looking for parts?
Shop Bobcat 435 Mini Excavator Parts for cylinders, motors, bushings, filters, hoses, and seals to keep your 435 running at peak performance.