In the municipal sanitation sector, procurement of sludge transport trucks often faces challenges such as complex chassis selection, lengthy custom equipment lead times, and high post-purchase maintenance costs. Recently, the Urban Management Bureau of a district in Yibin City conducted a government procurement for a batch of 24 m³ SINOTRUK-based sludge tipper trucks, aiming to enhance sludge transfer efficiency from local wastewater treatment plants while ensuring environmentally compliant, sealed transportation. This article provides a detailed case study for similar procurement entities, based on publicly available tender information and Chengli Special Purpose Vehicle Co., Ltd.’s actual delivery solution. Project Background and Core Requirements The 24 m³ sludge tipper trucks procured by the Urban Management Bureau of a district in Yibin City are primarily used to transport dewatered sludge from wastewater treatment plants to designated disposal sites. According to publicly released tender documents, the project budget was capped at approximately RMB 362,000 per unit, with a total quantity of five units. Core requirements included: • Chassis Requirement: SINOTRUK brand, high load-carrying capacity, suitable for complex road conditions prevalent in Southwest China. • Cargo Body Requirement: High sealing performance to prevent leakage of sewage and odor dispersion during transport. • Unloading Method: Hydraulic lifting and tipping system—operationally convenient and highly reliable. • Regulatory Compliance: Must be listed in the Ministry of Industry and Information Technology (MIIT) Announcement, enabling nationwide registration, annual inspection, and commercial operation permit issuance. • After-Sales Support: Chassis covered under SINOTRUK’s nationwide warranty program; superstructure requires long-term technical support. Chengli’s Winning Solution: Cost Control via Component-Based Procurement Chengli Special Purpose Vehicle offered a 24 m³ sludge tipper truck solution built upon a SINOTRUK chassis. Unlike typical bundled quotations from 4S dealerships, Chengli adopted a split-pricing model—separately quoting chassis and superstructure—to provide procurement entities full transparency into cost allocation. This approach is especially advantageous for municipal authorities prioritizing transparency in post-purchase component procurement and maintenance. The project was ultimately delivered by Chengli. The vehicle model is CLW5250ZWXZ6 (referencing MIIT Announcement parameters), equipped with a SINOTRUK HOWO chassis and a China VI-compliant engine. Customer feedback confirmed that the hydraulic lifting system responds rapidly and precisely, and the cargo body’s corrosion-resistant sealing strips effectively eliminate secondary pollution during sludge transport. Below is an analysis of key components, consumables, and pricing transparency from this procurement: Chengli 24 m³ Sludge Tipper Truck – Consumables & Component Price Reference Table Component Name | Approx. Unit Price (RMB) | Replacement Interval | Notes Hydraulic Cylinder Seal Kit | RMB 380–500 | 12–18 months | Includes installation and commissioning fees per local procurement practice Rear Door Sealing Strip (Full Vehicle) | RMB 150–200 | 6–12 months | Oil- and corrosion-resistant material; reference based on public tender documentation Hydraulic Oil (18 L/Drum) | RMB 220–280/drum | Usage-dependent | Anti-wear hydraulic oil recommended Tailgate Locking Assembly | RMB 600–800 | As needed | High-strength alloy construction Chassis Routine Maintenance Parts (Three Filters + Engine Oil) | RMB 1,200–1,500 | Every 5,000 km | SINOTRUK chassis covered under nationwide warranty; transparent pricing A key advantage of Chengli’s solution lies in its fully disclosed component pricing—no bundled packages or opaque pricing structures.