3. Excavator Model Guides – Articles 21–35

: 3. Excavator Model Guides – Articles 21–35 Japanese Used Machinery & Heavy Equipment Guide

Hitachi ZX135US Used Excavator Buyer Guide & Inspection Tips

2026/9/4

The Hitachi ZX135US is a practical choice for buyers who need a mid-size excavator with stronger digging capability than compact machines but still want reduced rear swing for restricted jobsites. It is commonly considered for road work, utilities, civil engineering, foundations, site preparation and other construction where space around the machine can be limited. For a used buyer, the main point is to identify the exact generation before comparing price or specifications. ZX135US-3, ZX135US-5B, ZX135US-6 and ZX135US-7 machines differ in engine output, operating weight, emissions equipment and configuration. A good purchase therefore depends on matching the exact machine to your ...

: 3. Excavator Model Guides – Articles 21–35 Japanese Used Machinery & Heavy Equipment Guide

Hitachi ZX75US Used Excavator Buyer Guide & Inspection Tips

2026/9/4

The Hitachi ZX75US is a strong candidate for buyers who need more digging capability than a mini excavator but still work on sites where rear swing space is limited. It sits around the 7- to 8-ton class, making it useful for utilities, drainage, road work, construction, landscaping and other jobs that require a compact machine with greater reach and stability. However, “ZX75US” does not describe one fixed specification. Japanese used machines may include earlier ZX75US models, ZX75US-3, ZX75US-5B and newer ZX75US-7 units. Operating weight, engine output, dimensions, hydraulic equipment and working range vary by generation and configuration. This guide explains ...

: 3. Excavator Model Guides – Articles 21–35 Japanese Used Machinery & Heavy Equipment Guide

Hitachi ZX30U Used Excavator Buyer Guide & Inspection Tips

2026/9/4

The Hitachi ZX30U is a compact excavator for buyers who need a machine around the 3-ton class for trenching, utilities, landscaping, property work and construction in limited spaces. Its compact rear design and boom swing make it especially relevant where a larger excavator would be difficult to operate. However, “ZX30U” covers several generations, including machines such as the ZX30U-3, ZX30U-5A and ZX30U-5B, and their specifications are not identical. For a used buyer, the best ZX30U is therefore not simply the newest machine or the one with the lowest operating hours. You should first confirm the exact series, then compare engine ...

: 3. Excavator Model Guides – Articles 21–35 Japanese Used Machinery & Heavy Equipment Guide

Komatsu PC200 Used Excavator Buyer Guide

2026/9/4

The Komatsu PC200 is one of the models to consider when your work requires a full-size crawler excavator rather than a compact machine. It belongs around the 20-ton class and can suit earthmoving, road construction, foundations, trenching, site development and truck loading. However, buying a used PC200 requires more than checking the model name and operating hours. PC200 machines have been produced through multiple generations, and specifications differ by series and market. A PC200-7, PC200-8, PC200-8M0 and later PC200 generation should not automatically be treated as identical machines. For an overseas buyer, the right approach is to confirm the exact ...

: 3. Excavator Model Guides – Articles 21–35 Japanese Used Machinery & Heavy Equipment Guide

Komatsu PC138US Used Excavator Buyer Guide

2026/9/4

The Komatsu PC138US is designed for buyers who need the digging capability of a mid-size crawler excavator but still work where rear swing space is limited. Compared with smaller machines such as the PC78US, it moves into a substantially heavier class and offers greater digging reach, bucket capacity and working capability. That extra performance also means higher transport, undercarriage and operating requirements. A used PC138US can suit road work, utilities, civil engineering, site preparation and construction in developed areas, but buyers should identify the exact generation before comparing machines. PC138US-8, PC138US-10 and PC138US-11 specifications differ. This guide focuses on deciding ...

: 3. Excavator Model Guides – Articles 21–35 Japanese Used Machinery & Heavy Equipment Guide

Komatsu PC78US Used Excavator Buyer Guide

2026/9/4

The Komatsu PC78US is a useful choice for buyers who need more working capability than a mini excavator but still operate on jobsites where rear clearance is limited. Its short-tail design makes the model especially relevant for urban construction, utilities, road work, trenching and other jobs where a conventional excavator of similar weight may require more space. For a used buyer, however, the PC78US name covers several generations. Machines such as the PC78US-6, PC78US-8, PC78US-10 and PC78US-11 differ in engines, controls, operating weight and other specifications. This guide explains how to decide whether this approximately 7- to 8-ton class machine ...

: 3. Excavator Model Guides – Articles 21–35 Japanese Used Machinery & Heavy Equipment Guide

Komatsu PC50MR Used Excavator Buyer Guide

2026/9/4

The Komatsu PC50MR is worth considering if you need a compact excavator with more digging capability than the smaller 3-ton class but still need to work around buildings, roads, utilities or other restricted jobsites. For a used buyer, however, “PC50MR” alone is not enough information. Different generations and markets have different specifications, and a PC50MR-2 should not automatically be compared as if it were identical to a later PC50MR-5. This guide is for buyers who want to decide whether the PC50MR size class matches their work before purchasing from Japan. It explains the model's positioning, verified examples of specifications, practical ...