8.5 Ton Wheel Excavator

Model	YC4DK70 50KW-2,200RPM
Type	Direct injection, water cooled, Super charged
No. of cylinder	4
Swing Speed	r/min	0-11
Traveling Speed	km/H	0-30
Grade ability	°	25
Bucket Digging Force	kN	56
Arm Digging Force	kN	38

Overall Length	mm	6,087
Overall Width	mm	2,394
Overall Height	mm	3,010
Ground clearance	mm	264

Operation Weight	KG	8,500
Bucket Capacity	m3	0.28
Max. Digging Radius	mm	5,923
Max. Digging Depth	mm	3,556
Max. Digging Height	mm	7,364
Max. Dumping Height	mm	5,537
Tail Swing Radius	mm	1,730

The best capacity-to-cost ratio in the lineup. Step up from 8 ton and you gain meaningful digging force, deeper reach and a larger bucket - enough to handle real residential foundations and small infrastructure jobs - without jumping to the significantly higher price point of 12 ton machines. For operators taking on progressively bigger projects, this is the most efficient upgrade path.

Still simple to own and operate. The gear-pump hydraulic system is straightforward to maintain and repair, and the Yanmar 4TNV88 engine has service networks in nearly every country we ship to. You get more working capacity without adding mechanical complexity that drives up maintenance costs and downtime.

Transport stays manageable. At 8.5 tons, you are still well within the towing capacity of most one-ton pickup trucks paired with a properly rated equipment trailer. You can self-deliver to most job sites without hiring specialized heavy haulers - a major cost advantage that adds up across a year of projects.

Versatile across work types. This size moves smoothly between digging foundations, trenching utility lines, grading building pads, handling farm earthwork and supporting light municipal jobs. One machine covers the majority of work that small construction and landscaping companies actually do day to day.

Where this light-duty 8.5 ton model finds its strongest demand worldwide:

 

Southeast Asia - Growing rural and suburban builders: Across Indonesia, Malaysia and Vietnam, independent builders moving from hand tools to their first mechanized equipment choose this 8.5 ton wheel excavator as their first real excavator. It handles house foundations, drainage systems and small road construction in village and suburban areas, and the Yanmar engine is universally known by local repair shops.

Africa - Community construction and cooperative farming: In Kenya, Tanzania, Ghana and Nigeria, community development groups, farming cooperatives and small local contractors invest in this size for shared-use equipment. It covers irrigation canal digging, school building foundations, access road construction and general farm earthmoving - and the straightforward mechanical design means local technicians can perform most maintenance work.

Middle East - Suburban development and landscaping firms: Across Saudi Arabia, the UAE and Qatar, landscaping companies and small suburban developers use this model for residential subdivision work, garden construction and light site preparation. The optional fully enclosed air-conditioned cabin keeps operators productive through the region's hot summer months.

Latin America - Independent contractors and municipal maintenance: From Colombia to Peru, independent excavation contractors and small municipal public works departments operate this size for neighborhood repairs, drainage projects and small building sites. Its affordable price point makes equipment ownership achievable for family-run businesses, and parts availability is solid across most major Latin American cities.

Compare with our 12 ton model when you need heavier digging capacity

Configure the machine around the type of work you run most often. All attachments use standard quick-coupler mounting and can be swapped on site:

Rural infrastructure setup: General purpose digging bucket + narrow trenching bucket + compaction plate attachment. Built for village road construction, drainage installation and small building foundation work in rural and suburban areas. Covers the core jobs that growing contractors take on as they expand from residential to small commercial projects.

Medium-scale farming package: Standard bucket + wide grading bucket + post hole auger set. Designed for medium farms and agricultural operations - digging irrigation channels, clearing land for new fields, installing fence posts and building farm access roads. The grading bucket handles field leveling and road maintenance efficiently.

Light municipal maintenance kit: Standard digging bucket + hydraulic thumb grab + ripper tooth. Suited for small public works departments and property maintenance companies - repairing sidewalks, clearing drainage ditches, removing small tree stumps and handling general utility repair work around town.

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