Original SANY 305H Used Excavator 30Ton Isuzu Engine

All Used SANY SY305, Used SY305 Excavator stock we export are equipped with original Isuzu GH-6HK1 six-cylinder turbo diesel engine, the standard power unit for all SANY SY305 Excavator and SY305 30-ton heavy crawler diggers, specially calibrated for mine, stone and heavy earthwork global export scenariosSANY Group. This engine owns total displacement 7.79L, rated power 212kW at 2000rpm, peak torque up to 1080N·m at low 1600rpm, Tier 3 emission standard which passes construction access rules in Africa, Southeast Asia and Central Asia, avoiding customs emission rejection risks for Used SY305 buyers. Matching SANY self-developed DOMCS intelligent power matching control system, it realizes real-time linkage of engine, main pump and main valve, cutting overall fuel consumption by 10% compared with same-tonnage competing excavators, a core advantage of second-hand SANY SY305 series.
Field measured hourly fuel consumption data for Used SANY SY305 Excavator under different working modes supports accurate cost budgeting for contractors: Eco mode for bulk soil loading consumes 12–13.5L/h; Standard mode for mixed soil and gravel construction runs 14–15.8L/h; Heavy mode for hard rock stripping and mine digging reaches 16.5–18L/h; Breaker dedicated mode maintains 13–14.2L/h with stable low fuel burn. The machine carries a huge 540L fuel tank, enabling continuous 30–38 hours non-stop construction under standard mode without refueling, ideal for remote mountain mine sites lacking fuel supply stationsSANY Group.
Official SANY reliability lab data shows the MTBF (Mean Time Between Failures) of Isuzu GH-6HK1 engine on SANY SY305 Excavator hits 1260 working hours, 18% higher than 30-ton Korean brand second-hand diggers. For strictly maintained Used SANY SY305 following 250-hour regular maintenance cycle (engine oil, primary filter replacement), the core engine assembly can operate stably 16,000–20,000 total working hours without full cylinder overhaul. Global Isuzu spare parts supply network covers over 95 developing construction markets, engine filter kits, injector assemblies and piston rings for Used SY305 cost 45% less than CAT and Volvo equivalent accessories, greatly reducing long-term maintenance expenditure. Our pre-export inspection for every Used SANY SY305 Excavator includes full engine compression test, full-load exhaust smoke detection and idle oil pressure verification; only units without blue/black smoke and internal oil leakage are allowed for export, eliminating hidden heavy wear risks for overseas importers.

Hydraulic system is the core heavy-duty performance foundation of SY305 Excavator and all Used SANY SY305 Excavator inventory, equipped with imported Kawasaki large-displacement variable double piston main pump and customized KMX15RB main control valve, the standard factory configuration distinguishing qualified export Used SY305 from cheap refurbished machines with inferior domestic hydraulic assemblies. Complete official hydraulic parameter set of SANY SY305 series: combined max pump flow reaches 2×260 L/min, main relief pressure for boom & arm circuits set at 35MPa, swing circuit relief pressure 28MPa, pilot control steady pressure 4.2MPa, hydraulic oil tank capacity 380L with total system filling volume 420L after full pipeline circulation. Every original SANY SY305 reserves complete dual-way auxiliary hydraulic piping for large hydraulic breakers as standard, 100% intact on our pre-inspected Used SANY SY305 units, saving buyers secondary pipeline modification cost for stone crushing and demolition work. ISO standard digging force data fully reflects the heavy-load capacity of Used SANY SY305: bucket breakout force reaches 217kN, arm crowd force hits 170kN, powerful enough to split hard granite, compact gravel layers and thick solid rock without auxiliary machinery support 三一集团 . Complete working range dimension data (unit: mm) adapts to deep foundation and mine slope construction: max digging depth 6815, max digging height 10500, max dumping height 7360, horizontal max digging radius 10870, rear swing radius only 3316mm for narrow quarry transfer. With 9.5rpm stable swing speed, the full loading cycle efficiency of Used SY305 improves by 15% versus generic 30-ton second-hand diggers; site statistics prove a well-operated Used SANY SY305 Excavator can finish average 4,200 cubic meters rock & earth loading within an 8-hour heavy shift, core production data for mine fleet operators to calculate daily profit. In multi-attachment compatibility, the reserved auxiliary hydraulic flow and pressure of SANY SY305 perfectly match global heavy-duty attachments without power attenuation. Standard factory configuration fits 1.65–1.8m³ high-strength mine bucket with thick manganese steel teeth; buyers can quickly swap large hydraulic rock breaker, stone grapple, heavy ripper, dredging bucket and demolition shear without valve block reconstruction. For Used SANY SY305 units previously operated long-term with breakers, our pre-shipment maintenance fully replaces aging high-pressure hoses and all sealing gaskets, followed by continuous 3-hour full-load hydraulic running test to eliminate common second-hand faults including slow boom lifting, compound action pressure drop and pipeline oil leakage. Long-term usage data shows the original Kawasaki main pump of properly maintained Used SY305 can run stably 10,000–13,000 working hours before minor plunger maintenance, far exceeding refurbished hydraulic pumps that require overhaul at only 5,000–6,000 hours, avoiding unexpected high repair cost for mine contractors.

The reinforced heavy-duty undercarriage of SANY SY305 Excavator, Used SANY SY305 and Used SY305 Excavator is specially optimized for high-abrasion mine and rough mountain terrain, with standardized weight and structural data forming its core competitiveness in global 30-ton second-hand excavator market. The standard operating weight of all base SY305 models stabilizes at 31,500kg (31.5 ton), factory standard track shoe width 600mm, optional upgraded 700/800mm wide track plates for soft mud river dredging sites, with standard ground pressure only 60.3kPa, balanced enough to prevent sinking on muddy soil while retaining strong bearing capacity for heavy rock loading三一集团. Uniform standardized undercarriage matching data for SY305 Excavator: each side track assembly carries 47 thick steel track plates, 8 heavy-duty bottom track rollers for load bearing, 2 upper carrier rollers to reduce track friction loss, quenched forged idler and sprocket gear set with anti-wear surface treatment, extending track service life under mine rock abrasion environment by 25%.
The whole machine ground clearance reaches 550mm, easily crossing rock debris, foundation ridges and uneven mountain dirt roads without scraping bottom hydraulic pipelines and fuel tanks during site transfer. Dual-speed travel system supports low-speed 3.4km/h for high-torque climbing and precise mine positioning, high-speed 5.7km/h for fast short-distance site transfer; max gradeability reaches 70% (35 degrees), fully meeting hillside mine excavation and mountain highway slope renovation demands, a key terrain advantage for buyers operating in Southeast Asian hilly mining zones and African mountain infrastructure projects三一集团.
Compact transport dimension data of Used SANY SY305 greatly cuts cross-border ocean shipping cost for bulk importers: standard transport total length 10700mm, width 3190mm, height 3470mm; the integrated body allows whole-machine loading into 40HQ high cube containers without disassembly of boom, stick and counterweight, reducing sea freight and port handling expense by around 20% compared with disassembled 33–36 ton heavy excavators. The main frame of all SANY SY305 Excavator adopts robot automatic welding ultra-thick X-type reinforced structural frame, boom and stick steel plates pass heavy-load fatigue impact testing, effectively resisting welding crack and permanent deformation under long-term rock breaking operation, a mandatory inspection standard during our pre-export quality check for Used SY305 inventory. We grade remaining undercarriage lifespan of Used SANY SY305 via working hour intervals with quantitative wear reference: units under 7,000 hours retain over 72% original track service life, only routine lubrication needed within next 4,000 hours; machines 7,000–12,000 hours have 40%–68% remaining undercarriage lifespan, we provide free partial roller replacement pre-shipment; Used SY305 over 12,000 hours support full track chain and sprocket replacement at discounted aftermarket part price. For mine and large road contractors, low-hour Used SANY SY305 Excavator balances heavy load bearing, rough terrain adaptability and long-term chassis maintenance cost perfectly, ranking top cost-effective 30-ton second-hand digger choice in 2026 global heavy construction machinery market.

To select cost-efficient Used SANY SY305 Excavator for mine and large infrastructure projects, global heavy contractors must master official full service life cycle data of SANY SY305 Excavator and SY305 series heavy crawler diggers, combined with segmented core component wear rules to evaluate cost-performance of different hour-range second-hand units. According to SANY Group global heavy machinery reliability long-term tracking data, the theoretical full service life of brand-new factory SANY SY305 without overloaded mine operation reaches 24,000–28,000 working hours, divided into three distinct usage stages with clear mechanical performance and maintenance cost characteristics, fully applicable to all Used SANY SY305 and Used SY305 Excavator inventory evaluation standards.
First golden stage: 0–7,000 working hours (low-hour second-hand heavy machine). Core assemblies including Isuzu GH-6HK1 engine, Kawasaki hydraulic main pump, travel and swing motors retain 82%–96% original factory performance; maintenance only covers routine oil, filter and wearing parts replacement, no major assembly overhaul cost within this interval. The MTBF index of Used SY305 in this hour range stays above 1100 hours, extremely low unexpected downtime risk, perfectly matching large mine fleets and infrastructure engineering companies pursuing continuous high-output construction efficiency. Second mid-life stage: 7,000–16,000 working hours. Core power and hydraulic assemblies maintain 56%–81% performance, partial internal wearing parts such as engine piston rings, hydraulic pump plungers and track bushings need periodic replacement, overhaul investment rises moderately, suitable for buyers with 2–4 year medium-term usage plans and controlled upfront procurement budget. Third aged stage: above 16,000 working hours. Multiple core assemblies enter concentrated overhaul cycle, annual maintenance cost increases by 40%–60% versus low-hour Used SANY SY305, only recommended for temporary short-term stone earthwork projects within 1 year.
Combined with 2026 global heavy second-hand machinery transaction data from Alibaba, MachineryTrader and Facebook Marketplace, Used SANY SY305 Excavator with 3,000–7,000 total working hours brings optimal ROI for overseas mine and road contractors, our core recommended inventory hour range for cross-border bulk buyers. Quantifiable cost comparison data proves its advantages: brand-new export SANY SY305 unit price ranges USD 48,000–55,000; Used SY305 Excavator 3,000–7,000 hours sells USD 26,000–32,000, cutting initial capital investment by 38%–46%, while retaining more than 10,000 remaining stable working hours without major overhaul investment. Calculated based on average daily construction revenue USD 450–580 for 30-ton excavators in Africa and Southeast Asian mine markets, low-hour Used SANY SY305 recovers full purchase cost within 12–16 months, while high-hour Used SY305 over 12,000 hours extends payback period to 24–30 months due to frequent maintenance downtime and repair expense deduction.
Hour meter authenticity verification is the top risk point for all Used SANY SY305 purchasers, as modified hour meters are the most common fraud in global heavy second-hand digger trade. Our export inspection system implements three-layer hour verification for every SY305 Excavator unit: read unmodifiable hidden ECU working hour data from engine electronic control module; cross-check historical maintenance records, oil filter replacement cycles and track abrasion degree with dashboard displayed hours; record full ECU reading video attached to pre-shipment inspection report for buyer customs clearance and post-arrival verification. For Used SANY SY305 inventory below 7,000 hours, we provide a 3-month limited core component warranty covering engine cylinder assembly, hydraulic main pump and swing motor as value-added export service, eliminating post-delivery heavy mechanical failure risks for mine importers.

As a versatile 31.5-ton heavy crawler hydraulic digger, Used SANY SY305 Excavator, Used SANY SY305 and SY305 Excavator series cover over 95% mainstream heavy construction project types demanded by mine operators, road contractors and infrastructure developers across Africa, Southeast Asia, Latin America and Central Asia, filling the market gap between low-power 20-ton medium excavators and high-consumption 36-ton ultra-large heavy diggers with balanced heavy digging capacity, transfer flexibility and daily operating cost indicators. Core applicable heavy construction scenarios are divided into six industrial segments with quantifiable efficiency data as primary purchasing reference for buyers selecting Used SY305 for fixed heavy-duty business lines.
First segment: Medium & small open-pit mine operation, including rock stripping, ore loading, quarry stone excavation and waste rock transportation; its 217kN bucket breakout force easily splits medium-hard granite and basalt without pre-blasting auxiliary equipment. Second segment: Large highway, railway and tunnel foundation engineering, covering mountain road cutting, bridge pier deep foundation digging, tunnel slag clearing and slope reinforcement; compact rear swing radius supports construction along narrow mountain road sides without occupying full traffic lanes. Third segment: Large-scale real estate and industrial park foundation earthwork, completing deep basement excavation and bulk soil stockpiling with 1.65–1.8m³ large bucket, greatly shortening project construction cycle. Fourth segment: Large river dredging and reservoir silt cleaning, matching optional 700/800mm wide track shoes to operate safely on waterlogged soft silt zones without sinking. Fifth segment: Large-scale demolition engineering, factory pre-installed heavy breaker auxiliary piping crushes thick concrete structure and large rock outcrops without secondary pipeline modification. Sixth segment: Heavy machinery rental business for mine and infrastructure clients; the balanced 31.5-ton tonnage positioning of Used SY305 covers more high-value heavy project demands than medium or ultra-large excavators, with higher daily rental pricing and wider market demand volume in regional heavy machinery rental markets.
Quantitative comparative data fully demonstrates dual efficiency and cost advantages of Used SANY SY305 Excavator against 20-ton medium diggers and 36-ton ultra-large excavators. Comparing with mainstream used 20-ton excavators: SANY SY305 max digging depth reaches 6815mm, 32% deeper than 20-ton models; bucket breakout force 217kN, lifting capacity improved by 58% for heavy rock and ore loading; daily 8-hour shift earth/rock output averages 4,200 cubic meters versus 2,600 cubic meters of 20-ton diggers, boosting heavy construction efficiency by over 60%. Comparing with standard 36-ton used ultra-large excavators: average hourly fuel consumption of Used SY305 under Standard heavy mode stays 14–15.8L/h, while 36-ton excavators consume 20–24L diesel per hour under equivalent mine load, cutting daily fuel operating cost by roughly 35% for long-term mine operators. Purchase price gap is prominent: qualified low-hour Used SANY SY305 sells USD 26,000–32,000, while same-condition low-hour 36-ton second-hand excavators price USD 42,000–50,000, requiring 60% higher upfront capital investment with excessive power waste for medium mine and road projects.
2025–2026 global heavy rental platform transaction data shows average daily rental rate of Used SANY SY305 Excavator is USD 180–240, while 20-ton diggers rent USD 110–150 daily and 36-ton heavy excavators rent USD 300–380 daily. Medium mine contractors and road developers with medium-scale project volume prefer renting SY305 series heavy diggers for balanced capacity and rental pricing, leading to 42% higher monthly average utilization rate of Used SY305 inventory compared with 36-ton ultra-large second-hand excavators, significantly lifting monthly rental profit margins for heavy machinery fleet owners. All standard heavy attachments matching SANY SY305 including mine buckets, large breakers and stone grapples adopt universal global size specifications, aftermarket replacement part prices 48% lower than attachments for 36-ton excavators, reducing long-term mine fleet maintenance capital input. In summary, Used SANY SY305, SY305 Excavator and SANY SY305 series occupy the optimal balance point between heavy digging power, daily operation cost, multi-scenario heavy adaptability and market rental demand volume in the second-hand heavy excavator market, explaining the sustained high Google search volume of target keywords Used SANY SY305 Excavator, Used SY305 Excavator and SANY SY305 in 2026 global construction machinery industry.