{"id":5288,"date":"2024-10-21T06:59:00","date_gmt":"2024-10-20T22:59:00","guid":{"rendered":"https:\/\/yixinexcavator.com\/?p=5288"},"modified":"2026-10-14T10:54:44","modified_gmt":"2026-10-14T02:54:44","slug":"used-doosan-dx225lc-excavator-review-workhorse-for-road-expansion-quarry-projects-in-ghana","status":"publish","type":"post","link":"https:\/\/yixinexcavator.com\/fr\/used-doosan-dx225lc-excavator-review-workhorse-for-road-expansion-quarry-projects-in-ghana\/","title":{"rendered":"Used Doosan 340 Excavator Review | Workhorse for Large Quarry & Mine Overburden Stripping Projects in Nigeria"},"content":{"rendered":"
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  1. Overview of Nigeria Construction Machinery Market in October 2024 October 2024 is the dry season in Nigeria. Quarries, small open-pit mines and large aggregate yards across the country enter the peak construction season. The rock in southern Nigerian mining areas is hard with massive broken stones on the ground. Construction sites suffer from heavy dust and obvious temperature difference between day and night, which sets high requirements for heavy-duty excavators on power reserve, heavy-load hydraulic capacity, undercarriage wear resistance and heat dissipation performance. The 34-ton heavy excavator is the main machine for local quarry and mining projects. Used Doosan 340 excavators maintain stable stock in West African mining market. Its reinforced structural parts are robust, hydraulic system delivers strong output and fuel consumption is well balanced. It becomes a preferred second-hand heavy excavator for large local engineering contractors in Nigeria.<\/li>\n<\/ol>\n\n\n\n
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    1. Many quarries and mines in Nigeria are far from major cities, and spare parts transportation takes a long time. Once heavy equipment breaks down, quarry production lines will stop directly and bring huge downtime losses. When purchasing second-hand machines, local mining enterprises prioritize models with high structural strength, stable heavy-load performance, mature spare parts supply and familiar maintenance technicians. Under high dust and continuous impact mining conditions, engine wear, main pump status, boom welds and undercarriage wear are key inspection points for buyers.<\/li>\n\n\n\n
    2. Core Configuration of Doosan 340 Excavator The operating weight of Doosan 340 is about 34 tons. It is equipped with original Doosan DL08 turbocharged diesel engine with sufficient rated power, which can maintain heavy-load output for a long time. It adapts to diesel fuel of unstable quality in Nigeria, and power drop is controllable under long continuous heavy mining operation. It comes standard with a 1.8m\u00b3 rock bucket and can quickly install enlarged earth buckets and heavy-duty breakers for rock excavation, overburden stripping, stone loading and large-scale earth excavation.<\/li>\n\n\n\n
    3. The machine adopts heavy-duty load-sensing hydraulic system developed by Doosan. The main pump delivers large flow with strong digging force. Compound movements such as continuous truck loading and rock stripping keep stable, meeting the demand of non-stop long-hour mining work. The undercarriage adopts mine reinforced heavy-duty tracks with thick track plates and strengthened rollers, featuring outstanding impact resistance to withstand continuous hits on sharp broken stones in quarry sites. Boom and arm adopt thick cast hinge points and high-strength wear-resistant steel plates, optimized for mining impact working conditions to resist continuous vibration load caused by rock excavation. The cab is fitted with falling object protection structure and good sealing performance, preventing massive mine dust from entering the cab, suitable for long continuous field operation in mines.<\/li>\n\n\n\n
    4. Working Condition Adaptation for Quarry and Open-pit Mine Sites in Nigeria The rock in Nigerian quarries is hard with sharp broken stone fragments. The heavy-duty undercarriage of Doosan 340 can sustain continuous impact from gravel. Thick track plates reduce risks of track tearing and collision damage. Mining work requires continuous overburden stripping and loading blasted rock materials. The high-flow hydraulic system of this model ensures efficient synchronous movement of digging, swing and unloading under heavy load and improves stone loading efficiency.<\/li>\n\n\n\n
    5. Mining projects cover various tasks including open-pit rock excavation, mine topsoil stripping, stockyard leveling and earthwork supply for large infrastructure. The machine often moves short distances within mine sites. The 34-ton machine has low gravity center and excellent stability under heavy load. Suitable projects include open quarry exploitation in Nigeria, aggregate mining, mine overburden stripping and earthwork supply for large infrastructure projects.<\/li>\n\n\n\n
    6. Core Inspection Checklist for Second-hand Doosan 340<\/li>\n\n\n\n
    7. Engine: Perform cold start test to check smooth startup and observe exhaust gas. Inspect engine oil for impurities and emulsification, check oil pan and cylinder block for oil leakage and cracks. Long-term high-dust heavy-load mining work accelerates cylinder wear. Cylinder pressure test is required to evaluate engine wear, and turbocharger condition also needs inspection.<\/li>\n<\/ol>\n\n\n\n
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      1. Hydraulic System: Test full-stroke compound movement of boom, arm and bucket under no-load and full-load status, check weak power, boom drop and shaking. Fully inspect main pump, control valve, cylinders and all hydraulic pipe joints for continuous oil leakage. For heavy quarry loading and breaking work, main pump and cylinders are high-frequency wearing parts and long-time heavy-load test is mandatory.<\/li>\n\n\n\n
      2. Undercarriage Inspection: Check wear of bottom rollers, top rollers, track chains and track plates, inspect pin clearance of tracks. Sharp broken stones in quarries wear undercarriage parts rapidly. Focus on track plate cracking and roller oil leakage, and inspect frame for impact deformation.<\/li>\n\n\n\n
      3. Structural Parts Inspection: Carefully check welds on boom, arm, frame and bucket root for original cracks or traces of secondary welding. Continuous vibration and impact from rock mining may cause cracks on boom and arm welds, which is a serious safety hazard and must be checked for heavy mining excavators.<\/li>\n\n\n\n
      4. Swing & Travel Motor: Test left and right swing of machine to check abnormal noise and excessive swing play. Test forward and backward travel to inspect drifting or insufficient power. Heavy load travelling on mine sites accelerates internal wear of travel motors and reduces climbing and moving performance.<\/li>\n\n\n\n
      5. Maintenance Guide for Quarry and Mine Construction Sites in West Africa<\/li>\n\n\n\n
      6. Air Intake System: Clean outer air filter daily. Mine dust is extremely heavy, replace inner filter regularly. Blocked air filter reduces engine power and accelerates wear of cylinder and turbocharger.<\/li>\n\n\n\n
      7. Heat Dissipation System: Clean rock dust accumulated on water tank and cooler surface every day to guarantee heat dissipation and avoid overheating shutdown during long heavy-duty operation. Large temperature difference between day and night in mines accelerates aging of rubber pipe seals, leakage needs regular inspection.<\/li>\n\n\n\n
      8. Hydraulic Maintenance: Replace hydraulic oil and return oil filter on schedule. Once rock dust impurities enter hydraulic circuit, they will scratch pump and cylinder inner wall and trigger serious faults. Shorten hydraulic oil replacement cycle if breakers are frequently used.<\/li>\n\n\n\n
      9. Undercarriage Care: Clean broken stones trapped between tracks after daily operation to prevent sharp stones stuck in chains and aggravating wear. Fill grease to pins and swing bearing regularly to reduce impact wear. Pins of heavy mining undercarriage bear heavy load and lubrication maintenance cannot be omitted.<\/li>\n\n\n\n
      10. Seal Inspection: Check engine oil seals and hydraulic seals periodically. Temperature fluctuation and dust in mines accelerate aging of rubber parts. Replace seals timely once leakage appears. Inspect paint of boom and arm and carry out anti-rust treatment for scratched areas.<\/li>\n<\/ol>\n\n\n\n
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        1. Model Selection Summary Used Doosan 340 is a 34-ton heavy crawler excavator, highly suitable for quarrying and mine overburden stripping projects in Nigeria. The original engine delivers strong power. Reinforced heavy-duty undercarriage resists impact from broken rocks, and hydraulic system adapts to long-time stone loading work in mines. Doosan machines have large market stock in West African mining areas with mature spare parts supply channels, and local maintenance technicians are familiar with this model. It greatly cuts huge economic losses caused by machine downtime in mines. For contractors engaged in quarry and mine projects in Nigeria, Doosan 340 is a cost-effective second-hand heavy excavator option. During inspection, focus on engine cylinder pressure, heavy-load hydraulic performance, wear condition of mining undercarriage, structural welds of boom and status of swing and travel motors. Complete full maintenance before machine enters site to support long continuous construction under heavy dust and heavy-load quarry mining conditions.<\/li>\n<\/ol>\n\n\n\n

          tags: used Doosan 340 excavator, Doosan 340 Nigeria quarry mining, 34 ton used heavy crawler excavator, second hand excavator West Africa overburden stripping, used heavy excavator mine working condition inspection<\/p>","protected":false},"excerpt":{"rendered":"

          tags: used Doosan 340 excavator, Doosan 340 Nigeria quarry mining, 34 ton used heavy crawler excavator, second hand excavator West […]<\/p>\n","protected":false},"author":1,"featured_media":4385,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-5288","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news"],"_links":{"self":[{"href":"https:\/\/yixinexcavator.com\/fr\/wp-json\/wp\/v2\/posts\/5288","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yixinexcavator.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yixinexcavator.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yixinexcavator.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/yixinexcavator.com\/fr\/wp-json\/wp\/v2\/comments?post=5288"}],"version-history":[{"count":3,"href":"https:\/\/yixinexcavator.com\/fr\/wp-json\/wp\/v2\/posts\/5288\/revisions"}],"predecessor-version":[{"id":5368,"href":"https:\/\/yixinexcavator.com\/fr\/wp-json\/wp\/v2\/posts\/5288\/revisions\/5368"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yixinexcavator.com\/fr\/wp-json\/wp\/v2\/media\/4385"}],"wp:attachment":[{"href":"https:\/\/yixinexcavator.com\/fr\/wp-json\/wp\/v2\/media?parent=5288"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yixinexcavator.com\/fr\/wp-json\/wp\/v2\/categories?post=5288"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yixinexcavator.com\/fr\/wp-json\/wp\/v2\/tags?post=5288"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}