CAT 374D 70 Ton Large Crawler Excavator

  • 1、Low Operating Cost & Fuel Efficiency: The CAT C15 ACERT engine delivers optimized fuel consumption, reducing operational costs during continuous heavy-duty mining and loading cycles.

  • 2、Harsh Environment Durability: Reinforced boom, arm, and heavy-duty undercarriage components are engineered to withstand extreme conditions, ensuring long service life in quarries and mines.

  • 3、Fast Cycle Times & High Productivity: Advanced hydraulic system enables quick, smooth operation, significantly improving loading and digging efficiency for large-scale projects.

  • 4、Operator Comfort & Safety: The spacious, noise-reduced cabin features excellent visibility and ergonomic controls, reducing fatigue during long shifts in remote sites.

  • 5、Easy & Low-Cost Maintenance: Ground-level service access and extended service intervals simplify routine checks, minimizing downtime and maintenance expenses.

  • 6、Versatile Attachment Compatibility: Supports a wide range of heavy-duty attachments like large buckets, rippers, and breakers, adapting to diverse industrial applications.


Product Details

Product Overview

CAT 374D is a heavy-duty 70-ton class large crawler excavator designed by Caterpillar for high-volume mining, quarrying, and large-scale earthmoving projects. Powered by the reliable CAT C15 ACERT engine, the CAT 374D delivers exceptional power, fuel efficiency, and durability, making it a top choice for contractors and mining operations worldwide. The CAT 374D features advanced load-sensing hydraulics, a reinforced heavy-duty boom and arm, and a spacious operator cabin built for long shifts in harsh environments. Its robust structure and low maintenance requirements ensure maximum uptime and productivity for demanding applications. As a leading model in the CAT large excavator lineup, the CAT 374D offers superior digging force, fast cycle times, and excellent fuel economy, reducing operational costs for large-scale projects. At Jinan Tuiwa Import and Export Trade Co., Ltd., we specialize in supplying high-quality construction machinery, including the reliable CAT 374D, to customers across the globe.

CAT 374D heavy-duty crawler excavator, side and close-up views showing reinforced boom, cabin, and heavy-duty track undercarriage.jpg

Core Product Specifications

SpecificationCAT 374D Details
Operating Weight74,000 kg (163,142 lbs)
Engine ModelCaterpillar C15 ACERT
Rated Power352 kW (472 HP) @ 1,800 rpm
Bucket Capacity (Std)3.8–5.0 m³ (5.0–6.5 yd³)
Max. Digging Depth7,920 mm (25 ft 11 in)
Max. Digging Reach12,940 mm (42 ft 5 in)
Bucket Breakout Force346 kN (77,784 lbf)
Stick Breakout Force289 kN (64,976 lbf)
Travel Speed (Low/High)2.7 / 4.3 km/h (1.7 / 2.7 mph)
Swing Speed6.9 rpm
Fuel Tank Capacity900 L (237.8 US gal)
Hydraulic SystemLoad-sensing variable displacement pump
Overall Dimensions (L×W×H)12,110 × 3,800 × 4,420 mm

Product Features & Advantages

The CAT 374D is engineered for heavy-duty performance, reliability, and operator comfort, making it a standout in the large excavator market:
  • Powerful & Efficient CAT Engine: The CAT C15 ACERT engine delivers 472 HP while meeting strict emissions standards, providing strong performance with optimized fuel consumption to reduce operational costs.

  • Robust Heavy-Duty Structure: Reinforced boom, arm, and undercarriage components are built to withstand the stress of mining and quarrying work, ensuring long service life in harsh conditions.

  • High-Performance Hydraulics: Advanced load-sensing hydraulics deliver fast cycle times and smooth, precise control, boosting productivity for digging, loading, and lifting tasks.

  • Spacious Operator Cabin: The ergonomic cabin features a comfortable suspension seat, low-effort controls, excellent visibility, and noise reduction technology to reduce operator fatigue during long shifts.

  • Easy Maintenance & Serviceability: Wide-opening service panels, ground-level access to key components, and extended service intervals simplify routine maintenance and minimize downtime.

  • Versatile Attachment Compatibility: The CAT 374D supports a range of attachments, including large buckets, hydraulic hammers, and rippers, making it adaptable to diverse heavy-duty applications.

  • CAT 374D excavator internal components, including CAT C15 engine, track system rollers, and main hydraulic pump.jpg

Application Scenarios

The CAT 374D’s power and durability make it ideal for the most demanding industrial applications:
  • Mining & Quarrying: Perfect for loading haul trucks, overburden removal, and rock excavation in open-pit mines and quarries, thanks to its high breakout force and large bucket capacity.

  • Large-Scale Earthmoving: Used in major construction projects such as highway building, dam construction, and land development for moving large volumes of soil and rock efficiently.

  • Demolition & Heavy Construction: The robust structure and powerful hydraulics make it suitable for heavy demolition work, including breaking down large concrete structures and removing debris.

  • Port & Terminal Operations: Used for loading and unloading bulk materials like coal, ore, and aggregates at ports and terminals, where high productivity and reliability are critical.

  • Infrastructure Projects: Ideal for large-scale infrastructure work, including pipeline construction, bridge building, and railway projects that require heavy excavation and material handling.

Packaging & Shipping

To ensure the CAT 374D reaches customers in perfect condition, Jinan Tuiwa Import and Export Trade Co., Ltd. follows strict packaging and shipping protocols:
  • Professional Loading & Securing: The excavator is loaded onto flatbed trucks or heavy-duty transport vessels using certified lifting equipment, with all components properly secured with heavy-duty chains and straps to prevent movement during transit.

  • Component Protection: Critical parts such as the boom, arm, hydraulic lines, and cabin are wrapped in protective film to prevent scratches, corrosion, and damage during shipping.

  • Customized Logistics Solutions: We offer flexible shipping options, including sea freight (FCL/LCL), road transport, and rail transport, to meet customer requirements. For international orders, we handle all necessary documentation, including export permits, customs declarations, and bill of lading.

  • Tracking & Delivery: Customers receive real-time tracking information for their shipment, allowing them to monitor the progress of their CAT 374D from our warehouse to their job site. Our logistics team ensures timely delivery to ports or customer locations worldwide.

  • Packaging & Shipping.jpg

Company Strength Showcase

As a leading supplier of heavy construction machinery, Jinan Tuiwa Import and Export Trade Co., Ltd. offers customers unparalleled reliability and support:
  • Certified & Inspected Inventory: All CAT 374D excavators in our stock undergo rigorous inspection and certification by our team of experienced technicians. We provide full service records, maintenance reports, and quality assurance documentation for every machine.

  • Global Supply Chain & Logistics: With our headquarters in Jinan, China, and partnerships with major logistics providers, we can fulfill orders quickly and efficiently, reducing lead times for customers worldwide.

  • Technical Support & Spare Parts: Our dedicated technical support team is available to assist customers with machine setup, maintenance, and troubleshooting. We also maintain a large inventory of genuine CAT spare parts, ensuring quick delivery for repairs and replacements.

  • Industry Expertise: With years of experience in the construction machinery export business, we have built strong relationships with customers across multiple countries, earning a reputation for honesty, transparency, and reliable service.

  • Company Strength Showcase.jpg

Customer Case Studies & Feedback

  • Case 1: Open-Pit Mining in Australia
    A mining company in Australia purchased a CAT 374D through Jinan Tuiwa Import and Export Trade Co., Ltd. for overburden removal work. “The CAT 374D has been a game-changer for our operation,” said the site manager. “Its powerful hydraulics and large bucket capacity have significantly increased our loading efficiency, reducing cycle times by 20%.”
  • Case 2: Large-Scale Dam Construction in Brazil
    A construction company in Brazil chose the CAT 374D for earthmoving work on a major dam project. “The machine’s fuel efficiency and durability have exceeded our expectations,” noted the project director. “It has been working 12-hour shifts daily without any major issues, helping us stay on schedule.”
  • Case 3: Quarry Operations in South Africa
    A quarry operator in South Africa sourced their CAT 374D from Jinan Tuiwa for rock excavation and loading. “The breakout force of the CAT 374D is incredible,” said the operations manager. “It easily handles hard rock, and the low maintenance requirements keep our downtime to a minimum.”


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