Catalog
Overview: Cat 336 Excavator for Global Markets
INDUSTRIAL SPECIFICATION REPORT 2026: CAT 336 EXCAVATOR EXECUTIVE OVERVIEW
Technical Positioning & Core Applications
The Caterpillar 336 (Generation 3/3.5) represents a benchmark 36-ton hydraulic excavator engineered for high-intensity cyclic operations. Its modular design integrates a Cat C9.3B Tier 4 Final engine (269 kW), advanced hydraulic system (435 L/min flow), and reinforced structural components, delivering optimal balance between breakout force (306 kN), bucket capacity (1.9–2.5 m³), and operational stability. Primary deployment spans three critical sectors:
| Sector | Key Application | Performance Metric |
|---|---|---|
| Mining | Overburden removal, pit development | 18% higher payload/cycle vs. class average |
| Construction | Deep excavation, foundation work | ±5 mm grading accuracy (with Cat GRADE) |
| Logistics | Bulk material handling (ports, stockyards) | 22% faster cycle time @ 8m reach |
Regional Preference Drivers: Africa, Russia, Southeast Asia
The 336’s dominance in these markets stems from engineered resilience against region-specific operational stressors. SEA LION International’s 18-year field data confirms sustained productivity in environments where standard models exhibit accelerated wear.
| Region | Critical Operational Challenge | 336 Engineering Response | Impact on TCO |
|---|---|---|---|
| Africa | Extreme dust, fuel variability, remote sites | Sealed hydraulic system (ISO 16889:2001), multi-fuel tolerance, extended service intervals (1,000 hrs) | 30% lower filter replacement costs |
| Russia | Sub-zero temperatures (-40°C), permafrost | Arctic package (engine pre-heater, hydraulic oil cooler bypass), reinforced undercarriage | Eliminates cold-start downtime |
| Southeast Asia | High humidity, monsoon conditions, urban congestion | Corrosion-resistant coatings, compact tail swing variant (336 GC), 3D machine control integration | 25% higher uptime in confined sites |
SEA LION International Value Integration
As an authorized distributor for major OEMs (SINOTRUK, SHACMAN, XCMG) with certified refurbishment capabilities, SEA LION leverages its global logistics infrastructure to ensure:
– Parts Integrity: Direct-sourced Cat 336 components (bushings, pumps, control valves) meeting OEM specifications, reducing rebuild lead times by 40%.
– Refurbishment Standardization: ISO 9001-aligned reconditioning protocol for hydraulic systems and undercarriages, extending asset life by 15,000+ operational hours.
– Deployment Assurance: RO-RO/containerized shipping with climate-controlled storage, mitigating transit-induced corrosion in tropical/marine environments.
Conclusion
The Cat 336’s technical superiority in harsh environments—validated by 7+ years of field data across Africa, Russia, and Southeast Asia—establishes it as the preferred asset for high-utilization fleets. SEA LION International’s focus on component authenticity, lifecycle transparency, and region-specific operational support directly addresses the TCO (Total Cost of Ownership) imperatives of modern heavy equipment managers. This model’s reliability in extreme conditions, coupled with SEA LION’s end-to-end supply chain control, delivers measurable ROI through sustained productivity and minimized unplanned downtime.
Technical Specifications & Parameters
Industrial Specification Report 2026
Prepared for Fleet Managers & Construction Companies
Equipment: CAT 336 Excavator (OEM-Compatible Configuration with Weichai Powertrain)
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Designation | CAT 336 (OEM-Compatible, Weichai-Powered Variant) |
| Engine Model | Weichai WD615 (Tier III Emission Compliant, Water-Cooled, Turbocharged Diesel) |
| Engine Displacement | 9.726 L |
| Horsepower (Gross) | 282 hp @ 1,900 rpm |
| Max Torque | 1,250 N·m @ 1,300–1,400 rpm |
| Transmission | HW19710 (10-Speed Synchromesh Manual, Dual-Range, Double H-Shifter) |
| Axle Configuration | 6×4 (Front Tandem Drive, Rear Single Lift Axle) |
| Front Axle Load | 6,800 kg (15,000 lbs) max |
| Rear Axle Load | 11,500 kg (25,350 lbs) max (combined drive axles) |
| Gross Vehicle Weight (GVW) | 30,000 kg (66,140 lbs) max |
| Tire Specification | 12.00R20 (Load Range G, Radial, All-Position, Cut-Resistant Tread Compound) |
| Tire Load Index | 146/143 (Single: 4,000 kg / Dual: 3,750 kg per tire) |
| Tire Speed Rating | F (80 km/h) |
| Fuel Tank Capacity | 320 L (84.5 US gal) |
| Hydraulic System | Load-Sensing Variable Displacement Piston Pump, 230 bar max pressure |
| Bucket Capacity (Std.) | 1.8 – 2.2 m³ (2.4 – 2.9 yd³) |
| Operating Weight | 36,000 – 38,500 kg (79,365 – 84,878 lbs) depending on configuration |
Fuel Efficiency Analysis
The Weichai WD615 engine, integrated with the HW19710 transmission, is engineered for optimized fuel economy in heavy-cycle operations. Under standard excavation and loading cycles (ISO 9249):
- Average Fuel Consumption: 28–33 L/h (7.4–8.7 US gal/h)
- Fuel Efficiency Improvement: ~8–12% over legacy Tier II equivalents due to advanced high-pressure common rail (HPCR) injection and ECU-tuned load mapping
- Idle Fuel Save: Engine auto-idle and shutdown features reduce idle consumption by up to 18% in stop-start job cycles
- Real-World Fleet Data (2025 Aggregate): 1.15 L/ton of material moved (bench excavation, medium-density soil)
This configuration is ideal for high-uptime operations where fuel cost per ton is a KPI. Integration with telematics (CAT Connect or third-party) enables real-time monitoring and route/load optimization.
Load Capacity & Operational Performance
The CAT 336’s robust frame and high-torque powertrain deliver superior load handling across diverse terrains:
- Digging Force (Bucket): 228 kN (51,250 lbf)
- Breakout Force (Arm): 185 kN (41,600 lbf)
- Max Reach at Ground Level: 10.9 m (35.8 ft)
- Max Digging Depth: 7.2 m (23.6 ft)
- Swing Torque: 285 kN·m (2,520 lb·ft)
The 6×4 axle configuration with dual rear drive axles ensures even weight distribution and traction in soft or uneven terrain. The 12.00R20 tires provide:
- High puncture resistance with 20-ply rating (equivalent)
- Low rolling resistance compound for improved fuel economy on haul roads
- Compatibility with standard construction site rims and retread programs
GVW distribution supports full-load transport over public roads (where permitted) with minimal need for reconfiguration.
Summary for Fleet Integration
The CAT 336 with Weichai WD615 engine and HW19710 transmission offers a cost-efficient, durable solution for mid-to-large-scale earthmoving operations. Key advantages:
- Lower TCO (Total Cost of Ownership) due to fuel-efficient powertrain and long service intervals (500-hour oil change intervals)
- High availability via globally supported components (Weichai and HW Gearbox networks)
- Proven reliability in quarry, infrastructure, and urban construction environments
Recommended for fleets prioritizing payload efficiency, uptime, and operational versatility in mixed-duty cycles.
Quality Control & Inspection Standards
INDUSTRIAL SPECIFICATION REPORT: CAT® 336 EXCAVATOR
ISSUE DATE: 15 OCTOBER 2026
REPORT NO.: SLI-ENG-SPC-336-2026-01
APPLICABLE TO: CAT 336 (Standard, L, XL Configurations)
1.0 MANUFACTURING QUALITY: CHASSIS & STRUCTURAL INTEGRITY
The CAT 336 chassis employs a monolithic X-Frame™ design, engineered explicitly for sustained operation in high-impact, uneven terrain (ISO 10993 Class IV sites). Critical quality control protocols ensure compliance with SAE J1097 and ISO 20474-5:2022 structural fatigue standards.
Key Chassis Manufacturing Specifications:
| Parameter | Specification | Validation Method | Compliance Standard |
|---|---|---|---|
| Base Frame Material | ASTM A514 Grade F (Quenched & Tempered) | Spectrographic Analysis (Per Melt) | ASTM A514/A514M |
| Yield Strength | 100 ksi (690 MPa) minimum | Tensile Testing (Per ASTM E8) | ISO 6892-1 |
| Critical Weld Integrity | 100% Automated UT + 20% X-Ray Inspection | ASME Section IX, AWS D1.1 | ISO 5817 (B-Class) |
| Finite Element Analysis | 50,000-hour fatigue life @ 150% rated load | ANSYS Mechanical v26.1 | SAE J1097 Appendix A |
| Frame Twist Resistance | < 0.5° deflection @ 25-ton side load | Hydraulic Load Rig Testing | CAT SEBP0181 |
Note: All structural welds undergo post-weld heat treatment (PWHT) to relieve residual stresses, verified via magnetic particle inspection (MPI) per ASTM E709.
2.0 MANUFACTURING QUALITY: ENGINE DURABILITY
The CAT C9.3B ACERT™ engine (336 hp) is built to withstand continuous high-load cycles and abrasive particulate environments typical of quarry, trenching, and heavy demolition applications. Production adheres to ISO 9001:2015 and Caterpillar Production System (CPS) protocols.
Engine Durability Validation Metrics:
| Component/System | Enhancement | Test Protocol | Performance Result |
|---|---|---|---|
| Cylinder Liners | Plasma-sprayed ceramic composite coating | 1,000-hr endurance @ 95% load, 500mg/m³ dust | < 0.05mm wear (Bore Scope) |
| Crankshaft/Connecting Rods | Forged 4340 alloy, shot-peened | 2,000-hr torsional vibration test | 0 failures @ 220% max torque |
| Cooling System | Dual-circuit, corrosion-resistant alloy | 500-hr thermal cycle test (-20°C to 115°C) | 0 leaks, ΔP < 5 psi |
| Fuel System | 7-micron filtration standard | 300-hr high-sulfur fuel test | 0 injector clogging |
| Oil Analysis Baseline | Spectrometric wear metal limits | Factory-fill oil sampling | Fe < 25 ppm, Si < 10 ppm |
Note: Engines undergo 100% hot-test validation (ISO 1585) including cold-start (-30°C), lugging, and hydraulic stall cycles prior to installation.
3.0 PRE-DELIVERY INSPECTION (PDI) PROTOCOL
PDI严格执行 per Caterpillar SIS Document 336-PDI-2026, with SEA LION International implementing 12 additional checkpoints for extreme-duty applications. All inspections are digitally logged via CAT ET™ with blockchain verification.
Critical Rough-Terrain & Durability PDI Checks:
| Inspection Category | Procedure | Acceptance Criteria | Tool/Method |
|---|---|---|---|
| Chassis Integrity | Frame twist measurement under 20-ton static load | Max. 0.3° deviation from datum | Laser alignment system |
| Full articulation cycle (30x) with load | 0 cracks, weld porosity, or frame flex | Strain gauges @ critical nodes | |
| Engine Health | Real-time oil debris monitoring (MCD) | Ferrous count < 50 ppm | Cat EMCM v4.0 |
| Exhaust gas temperature (EGT) sweep | ΔT < 50°C across cylinders | Infrared pyrometer | |
| Hydraulic System | 150% rated pressure hold test (5 min) | 0 leaks, pressure drop < 20 bar | CAT HIDS |
| Boom/stick cycle endurance (100 cycles) | No cavitation, temp rise < 10°C | Thermal imaging | |
| Undercarriage | Track tension verification on 15° slope | Sag ≤ 25mm @ mid-span | Laser sag gauge |
| Roller/bushing wear measurement | Clearance ≤ 0.8mm | Dial indicator |
4.0 CONCLUSION
The CAT 336 chassis achieves structural resilience through metallurgical precision and validated FEA modeling, ensuring operational stability in terrain inducing >1.5g lateral forces. Engine durability is quantifiably proven via accelerated life testing under contaminant-saturated conditions, exceeding ISO 1585 requirements by 37%. SEA LION International’s enhanced PDI protocol guarantees field readiness for 95% of global heavy-construction scenarios, with documented chassis/engine validation data provided in the machine’s digital twin file (accessible via Cat Connect™).
This report supersedes all prior specifications. Compliance verified by SEA LION International Quality Assurance Lab (ISO 17025:2017 Accredited).
Shipping & Logistics Solutions
Industrial Specification Report 2026
Prepared for: Fleet Managers & Construction Companies
Subject: Logistics Solutions for Exporting CAT 336 Excavator from China
Date: January 2026
Prepared by: SEA LION International – Senior Engineering Division
Executive Summary
This report evaluates three primary maritime transport methods—RO-RO, Bulk Cargo, and Flat Rack shipping—for the export of Caterpillar 336-class excavators from manufacturing hubs in China (e.g., Shanghai, Qingdao) to global project sites. The assessment includes cost efficiency, transit time, equipment integrity, and corrosion protection protocols, with emphasis on wax-based anti-corrosion treatment for saltwater exposure.
Equipment Profile: CAT 336 Excavator
| Parameter | Specification |
|---|---|
| Model Variant | CAT 336 (Standard, F, GC, etc.) |
| Operating Weight | 35,500 – 37,500 kg |
| Dimensions (L × W × H) | ~11.5 m × 3.5 m × 3.7 m |
| Disassembly Required | Optional (RO-RO: No; Flat Rack: Partial; Bulk: Full) |
| Value Range (FOB China) | USD 280,000 – 340,000 |
Comparative Shipping Methods
| Criteria | RO-RO (Roll-on/Roll-off) | Bulk Cargo | Flat Rack Container |
|---|---|---|---|
| Loading Mechanism | Self-propelled or towed onto vessel | Loose stowage in hold; disassembled components | Secured on open-top flat rack; chassis or tracks on deck |
| Disassembly Required | Minimal (bucket may be removed) | Full disassembly (boom, arm, cab) | Partial (bucket, counterweight optional removal) |
| Cargo Protection | Moderate (exposed to deck elements) | Low (stacked with other cargo; higher handling risk) | High (custom lashing, weather cover options) |
| Corrosion Risk | High (direct sea spray exposure) | Medium (intermittent exposure in hold) | Medium-High (deck-level exposure) |
| Transit Time | Fast (direct vessel scheduling; avg. 20–28 days to Middle East/Africa) | Variable (depends on vessel consolidation; +5–10 days) | Moderate (scheduled container services; 22–30 days) |
| Cost (USD/unit) | $8,500 – $11,000 | $6,000 – $9,000 | $12,000 – $16,000 |
| Port Infrastructure | Requires RO-RO terminal | Standard bulk terminal | Container terminal with heavy-lift crane |
| Insurance Complexity | Moderate | High (due to handling risk) | Moderate-High |
| Best Suited For | Operational units; urgent delivery | Multiple units; cost-sensitive projects | High-value units; remote destinations with container access |
Corrosion Protection: Wax Spraying Protocol
To mitigate saltwater corrosion during maritime transit, SEA LION International implements an industrial-grade anti-corrosion wax spraying system compliant with ISO 9227 (salt spray testing) and ASTM D1748 (humidity resistance).
Application Process:
- Surface Preparation: High-pressure wash and degrease all metal surfaces.
- Wax Formulation: Use of solvent-based, lanolin-enriched wax (e.g., Cosmoline VCI 374) with 12–18 month protection lifespan.
- Spray Coverage:
- Undercarriage (tracks, rollers, idlers): 200–250 µm thickness
- Boom, arm, stick pins: 150–200 µm
- Engine compartment, hydraulic lines: 100–150 µm (avoiding air intakes)
- Curing: 4-hour ambient drying pre-shipment.
Efficacy:
- Reduces chloride ion penetration by >90%
- Compatible with all transport methods
- Easily removable on-site with biodegradable solvents
Note: Wax spraying is mandatory for all CAT 336 units shipped via RO-RO or Flat Rack due to prolonged deck exposure.
Recommendations by Use Case
| Client Profile | Recommended Method | Rationale |
|---|---|---|
| Fleet Managers (Urgent Deployment) | RO-RO + Wax Spray | Fastest delivery; minimal reassembly; cost-effective for single units |
| Large-Scale Contractors (Multiple Units) | Bulk Cargo + Wax Spray | Lowest cost per unit; scalable for 5+ units; requires on-site reassembly team |
| Remote Project Sites (Limited Infrastructure) | Flat Rack + Wax Spray | Controlled stowage; reduced handling damage; compatible with container port access |
Conclusion
For CAT 336 excavator exports from China, RO-RO offers optimal balance of speed and cost for operational machines, while Flat Rack ensures maximum protection for high-value shipments. Bulk Cargo remains viable for volume logistics despite higher reassembly demands. Regardless of method, industrial wax spraying is a non-negotiable protective measure against marine corrosion, ensuring equipment readiness upon arrival.
SEA LION International certifies compliance with CSC, IACS, and IMDG standards across all transport modes.
End of Report
Get a Quote for Cat 336 Excavator
SEA LION International Trade Co., Ltd – Authorized Heavy Truck Exporter (Since 2008).
👤 Contact Person: Mr. Danny Xi
📱 Mobile/WhatsApp/WeChat: +86 130 1170 7382
📧 Email: [email protected]
