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Kubota Mini Excavator Specs

Factory specs, serial number guides, common failure points, and verified replacement parts — organized by model. Select yours below.

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Kubota K008-4 Mini Excavator – Parts, Specs & Serial Numbers Model Guide

Kubota K008-4 Mini Excavator – Parts, Specs & Serial Numbers

The Kubota K008-4 Mini Excavator is one of the smallest yet most efficient compact excavators in the Kubota lineup. Designed for confined urban spaces, interior demolition, and landscaping tasks, this zero-tail swing machine weighs under 2,500 lbs yet...

Kubota KX015-4 Mini Excavator – Parts, Specs & Serial Number Guide Model Guide

Kubota KX015-4 Mini Excavator – Parts, Specs & Serial Number Guide

The Kubota KX015-4 is a compact 1.5-ton class mini excavator designed for tight job sites, landscaping, utility work, and residential construction. This machine offers serious digging power and durability in a small frame, with a variable-width...

Kubota KX016-4 Mini Excavator – Parts, Specs & Serial Number Guide Model Guide

Kubota KX016-4 Mini Excavator – Parts, Specs & Serial Number Guide

The Kubota KX016-4 is a compact 1.6-ton mini excavator with impressive power, durability, and a variable-width undercarriage—making it perfect for jobsites with limited access. With a conventional tail swing and smooth hydraulic operation, the...

Kubota KX018-4 Mini Excavator – Parts, Specs & Serial Numbers Model Guide

Kubota KX018-4 Mini Excavator – Parts, Specs & Serial Numbers

The Kubota KX018-4 Mini Excavator delivers impressive power and versatility in a compact footprint, making it a top choice for residential excavation, landscaping, and utility work. With zero tail swing, an adjustable track width, and advanced control...

Kubota U25 Mini Excavator – Parts, Specs & Serial Number Guide Model Guide

Kubota U25 Mini Excavator – Parts, Specs & Serial Number Guide

The Kubota U25 is a compact, ultra-maneuverable 2.5-ton class mini excavator featuring a true zero-tail swing design—perfect for tight urban spaces and small-scale excavation work. Despite its size, the U25 offers strong digging force, exceptional...

Kubota KX033-4 Mini Excavator – Parts, Specs & Serial Numbers Model Guide

Kubota KX033-4 Mini Excavator – Parts, Specs & Serial Numbers

The Kubota KX033-4 Mini Excavator combines compact size with exceptional power, making it ideal for tight job sites that demand productivity without sacrificing digging force. With a spacious cab, advanced hydraulic performance, and a robust Kubota...

Kubota U35-4 Mini Excavator – Parts, Specs & Serial Number Guide Model Guide

Kubota U35-4 Mini Excavator – Parts, Specs & Serial Number Guide

The Kubota U35-4 is a powerful, maneuverable 3.5-ton class mini excavator with a zero-tail swing design that allows safe and efficient operation in tight spaces. Known for its balanced performance and operator-friendly features, the U35-4 is popular...

Kubota KX040-4 Mini Excavator – Parts, Specs & Serial Number Guide Model Guide

Kubota KX040-4 Mini Excavator – Parts, Specs & Serial Number Guide

The Kubota KX040-4 is a high-performance 4-ton class mini excavator engineered for powerful digging and fuel efficiency in compact workspaces. It features a conventional tail swing design with exceptional stability and a deluxe cab, making it ideal for...

Kubota U45-3 Mini Excavator – Parts, Specs & Serial Number Guide Model Guide

Kubota U45-3 Mini Excavator – Parts, Specs & Serial Number Guide

The Kubota U45-3 is a powerful 4.5-ton zero-tail swing mini excavator, offering the perfect blend of mid-range digging performance and jobsite flexibility. Its zero-tail swing design allows operators to dig and rotate safely in confined areas without...

Kubota KX057-5 Mini Excavator – Parts, Specs & Serial Number Guide Model Guide

Kubota KX057-5 Mini Excavator – Parts, Specs & Serial Number Guide

The Kubota KX057-5 is a 5.5-ton class mini excavator designed for tough digging jobs with precision control and superior operator comfort. As a newer model in Kubota’s KX series, the KX057-5 adds enhanced technology, greater visibility, and...

Kubota KX57 Mini Excavator Specs Parts Model Guide

Kubota KX57 Mini Excavator Specs Parts

Serial Number Information The serial number plate is typically located on the front right side of the lower frame or near the operator platform on the frame rail. Use your serial number to verify engine compatibility, auxiliary hydraulic specs, and...

Kubota KX61-2 Mini Excavator – Parts, Specs & Serial Numbers Model Guide

Kubota KX61-2 Mini Excavator – Parts, Specs & Serial Numbers

The Kubota KX61-2 Mini Excavator is a compact yet powerful machine engineered for versatility and reliability on small to mid-sized job sites. Designed for tight quarters, this zero-tail swing excavator delivers outstanding digging performance and...

Kubota KX71-3 Mini Excavator – Parts, Specs & Serial Number Guide Model Guide

Kubota KX71-3 Mini Excavator – Parts, Specs & Serial Number Guide

The Kubota KX71-3 is a versatile 3-ton class mini excavator known for its compact design, strong breakout force, and easy service access. Designed with a conventional tail swing and a wide working range, the KX71-3 is ideal for trenching, grading,...

Kubota KX080 Mini Excavator – Parts, Specs & Serial Number Guide Model Guide

Kubota KX080 Mini Excavator – Parts, Specs & Serial Number Guide

The Kubota KX080 is a powerful and versatile mini excavator designed for heavy-duty digging, lifting, and grading while maintaining compact agility. As Kubota’s largest mini excavator, the KX080 offers the performance of a mid-size machine without...

Kubota KX121-3 Mini Excavator – Parts, Specs & Serial Numbers Model Guide

Kubota KX121-3 Mini Excavator – Parts, Specs & Serial Numbers

The Kubota KX121-3 Mini Excavator is a high-performance compact machine built for demanding excavation tasks in tight spaces. Featuring a powerful 45-hp engine and advanced hydraulic system, the KX121-3 is favored by contractors for its exceptional...

Kubota KX121-3S Mini Excavator – Parts, Specs & Serial Number Guide Model Guide

Kubota KX121-3S Mini Excavator – Parts, Specs & Serial Number Guide

The Kubota KX121-3S is a premium 4-ton mini excavator with powerful digging capabilities, a smooth hydraulic system, and a deluxe cab option for all-day comfort. Known for its durability and versatility, the KX121-3S is ideal for utility work, trenching,...

Parts, specs, and serial number guides for Kubota mini excavators, covering a wide range of KX and U series machines across multiple generations and size classes.

Fits Models At A Glance

  • KX Series (Compact): KX015-4, KX016-4, KX018-4, KX033-4, KX040-4, KX057-5, KX57, KX061-2, KX071-3, KX080, KX121-3, KX121-3S
  • U Series (Zero Tail Swing): U25, U35-4, U45-3
  • K Series (Micro): K008-4

Key Notes

  • Coverage: Each guide includes model-specific specs, serial number ranges, and compatible parts references
  • Serial Numbers: Use serial number breakpoints to confirm correct part fitment across machine generations
  • Size Classes: Guides span micro, compact, and mid-size mini excavator categories from under 1 ton to 8 ton class
  • Series Variants: Generation suffixes (e.g., -3, -4, -5) indicate updated models with revised part numbers

Why Choose Broken Tractor

  • ✅ Detailed spec guides matched to exact Kubota models
  • ✅ Serial number breakdowns help confirm correct part fitment
  • ✅ Fast shipping from Baton Rouge, LA and Kimbolton, OH
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