35-Ton 7-Section Knuckle Boom Crane (Terra TK700-7)

Heavy-duty 35-ton 7-section knuckle boom crane (TK700-7). Built with premium high-tensile structural steel, 24.8 t·m lifting capacity, 15.5m reach, and dual slewing reducers. Folds compactly to save 90% of truck bed space.
Max Lifting Capacity (t/m): 24.8 / 3
Max Working Radius (m): 15.5
Boom Section: 7-9
Crane Weight (T): 7.3
Installation Space (m): 1.51
Max Lifting Height (m): 15.5
Share:

TERRA Truck Crane Technical Specifications & Details

Terra Truck Mounted Crane Main Features

High-Strength Octagonal Boom Design

  • Advanced octagonal boom cross-section for significantly higher bending resistance.

  • Ensures maximum safety and stability during MAX lifting operations.

Precision Hydraulic System

  • Equipped with a dual-pump hydraulic system and military-grade multi-way valves.
  • Provides smooth, synchronized movements and efficient power output.

Compact Folding Structure

  • Knuckle boom design for a compact stowed position.

  • Saves valuable cargo space and ensures high chassis compatibility.

Last Updated: September 2026

What is the TERRA TK700-7 35-Ton Articulating Crane?

The TERRA TK700-7 35-ton knuckle boom crane—also widely recognized as a heavy-duty folding lorry crane in Southeast Asia, an articulating cargo crane in Africa, and a high-capacity KMU manipulator in Central Asia—is a premium knuckle boom lifting solution engineered for complex construction, forestry, and heavy industrial logistics. Designed to integrate seamlessly with heavy-duty commercial truck chassis (such as 8×4 and 6×4 configurations from HOWO, SHACMAN, and ISUZU), this massive 35-ton crane delivers a remarkable 24.8 t·m rated lifting capacity while occupying a compact 1,510 mm of installation space. Fabricated with premium high-tensile structural steel to optimize the payload-to-weight ratio, the TK700-7 features a robust 7-section folding boom that achieves a 15.5-meter working outreach and 15.5-meter lifting height. Equipped with separate dual-pump hydraulics and dual slewing reducers, it provides fleet operators with unmatched 360-degree continuous slewing precision under heavy workloads. Featuring high-wear bronze bushings and maintenance-free joints, this heavy manipulator guarantees high durability and lower downtime.

“Selecting a heavy knuckle boom crane is an exercise in space and load-moment optimization,” states Joseph Lin, Senior Engineering Specialist at TERRA CRANE. “For a 35-ton class crane like the TK700-7, using premium high-tensile structural steel allows us to reduce tare weight to 7.3 tons, giving B2B fleet operators maximum cargo bed space and legal payload capacity while utilizing direct hydraulic power for rapid cycle times without fragile computer systems.”

TERRA TK700-7 Heavy-Duty Articulating Advantages

  • Military-Grade Piston & Gear Dual Pump: Utilizing advanced lubrication technology, our heavy-duty dual-pump setup delivers massive hydraulic torque, allowing adjustable valve flow and system pressure to perfectly match heavy-duty loading requirements with zero lag.
  • Dual Slewing Reducer System: Engineered with twin heavy-duty slewing reducers. This guarantees silk-smooth, highly powerful 360-degree rotation even when holding a maximum tilting moment from the 7-section articulating boom.
  • High-Flow Sensitive Control Valve: Engineered for micro-positioning precision. This heavy-flow control valve offers immediate actuation response, ensuring synchronized, steady movements of the articulating sections simultaneously.
  • High-Strength Wear-Resistant Hydraulic Locks: Fabricated from premium hardened alloys. These locks prevent hydraulic drift, providing exceptional wear and corrosion resistance in highly dusty construction or mining sites.
  • Dual-Seal Two-Way Balance Valve: Features a specialized double-seal internal structure. This acts as a redundant safety system, keeping the massive telescopic boom locked in place under load and drastically extending the valve’s operational lifespan.
  • Internal Heavy-Duty Telescopic Hydraulic Cylinders: Equipped with premium imported oil seals to withstand extreme friction, ensuring smooth, leak-free boom telescoping and outstanding structural extension power over decades of heavy service.
  • High-Hardness Slewing Bearing: Designed with a deep-hardened raceway to withstand extreme tilting moments, resisting gear wear and ensuring smooth rotation under severe heavy loading.
  • 4-Layer Steel Wire Reinforced Hydraulic Hoses: Every hydraulic line is reinforced with four layers of high-tensile steel wire mesh, resisting high pressures up to 30 MPa and high oil temperatures without risk of on-site blowouts.
  • Large-Volume High-Power Radiator: Features an oversized oil cooler with enhanced thermal dissipation. This ensures the hydraulic oil temperature remains well below 60°C, guaranteeing 100% operational uptime in Middle Eastern desert heats up to 50°C.

Technical Data & Performance Specifications

Specification Parameters Performance Data B2B Fleet Advantage
Model TK700-7 (TK7007) 35-Ton Class 7-Section Knuckle Boom identifier
Max Lifting Torque 24.8 t·m Exceptional handling capacity for heavy industrial parts and aggregates
Boom Configuration 7-Section Articulated Folding Boom Folds compactly behind the cab, maximizing the remaining cargo bed length
Max Working Outreach 15.5 m Enables wide horizontal loading reach across congested roads
Max Lifting Height 15.5 m Excellent vertical clearance for second-story or rooftop loading
Crane Self-Weight 7,300 kg (7.3 Tons) Lighter structural design allows more payload allowance on the truck frame
Installation Space Required 1,510 mm (1.51 m) Ultra-compact footprint optimizes truck axle weight distribution
Outrigger Spread Span 8.2 m Massive outrigger width prevents chassis rollover during heavy side lifts
Slewing Rotation Angle 360° Continuous Rotation Continuous rotation maximizes on-site cycle speeds
Rated Pump Pressure 30 MPa High-pressure operation ensures fast and powerful cylinder responses
Rated Oil Flow 80 L/min Perfect oil flow volume to drive heavy synchronized hydraulic cylinders

Frequently Asked Questions About 35-Ton Knuckle Boom Cranes

Q: Why does a heavy-duty knuckle boom crane like the TK700-7 not require a wire winch?
A: Standard knuckle boom cranes are designed for rapid, direct cargo loading and logistics versatility. Unlike telescopic cranes that require a winch drum and wire rope to lift loads vertically, the TK700-7 utilizes direct-acting hydraulic cylinders and articulating joints to lift and place loads. This articulating agility allows you to easily “fold” the boom into warehouses, under bridges, or directly grab debris with attachments like grapples and clamshells, which is impossible with standard wire winches.

Q: What commercial truck chassis configuration is required to mount the TK700-7?
A: Due to its 7,300 kg self-weight and massive 24.8 t·m tilting torque, the TK700-7 must be mounted on a heavy-duty 8×4 chassis or a heavily reinforced 6×4 chassis from commercial truck brands like HOWO, SHACMAN, or ISUZU. The installation base requires 1,510 mm of mounting space between the cab and the cargo body, which our engineering team will help you verify with a free frame RBM review.

Q: How do the hydraulic systems perform in extreme desert heat or arctic winter conditions?
A: Every TK700-7 is engineered to withstand extreme climates. For hot desert environments (up to 50°C in the Middle East), it features a large-volume radiator oil cooler that prevents oil thinning. For sub-zero operations (down to -40°C in Central Asia and Russia), we equip the cylinders with specialized low-temperature resistant seals and high-fluidity hoses to ensure leak-free performance and long durability.

Advanced Hydraulic & Boom Technology

Precision CNC laser cutting for TERRA crane steel plates.
Precision CNC laser cutting ensures ±0.1mm tolerance.
Octagonal telescopic boom engineered for maximum lifting capacity and heavy load stability
Octagonal boom ensures structural rigidity and telescopic performance under maximum load.
Dual pump hydraulic power unit for consistent lifting power.
Dual-pump system for high-efficiency power output.
Detail-oriented hand deburring for precision crane parts.
Detail-oriented hand deburring for precision parts.
Skilled manual precision welding for critical crane structure joints.
Expert manual reinforcement for critical joints.
Automated robotic welding process for high-strength seams.
Automated robotic welding for high-strength seams.
Industrial deburring equipment for smooth crane component surfaces.
Industrial deburring for slag-free edges.
Heavy duty dual slewing reduction gearbox engineered for enhanced crane rotational stability
Enhanced lifting stability with high-torque dual slewing reduction gearboxes.

Professional Packing & Surface Treatment Before Shipping

At TERRA, we understand that professional manufacturing is only half the journey; ensuring your investment arrives in pristine condition is our ultimate commitment. Our dedicated logistics team adheres to rigorous international export standards, employing multi-stage protection including anti-corrosive waxing, industrial-grade stretch film, and customized wooden crate packaging. We utilize high-strength fastening systems to ensure maximum stability during maritime transit, coupled with a transparent packing list system for effortless inventory management upon delivery. From our factory floor to your job site, TERRA guarantees a secure, reliable, and professional shipping experience.”

Professional export-standard protection for TERRA truck cranes.
Professional anti-corrosion and shockproof packaging.
Waxing and film wrapping for crane anti-rust protection.
Comprehensive Anti-Rust & Sea-Freight Protection.
Specialized wooden crate packaging for crane parts and accessories.
Wooden Crate Packaging for Crane Body and Accessories
Secure cargo fastening with wooden pallets for ocean freight.
Professional Palletizing & Secure Fastening.

Truck Crane FAQs

Q1: What is the main difference between a Telescopic Boom Crane and a Knuckle Boom Crane?

The ideal choice depends on your specific operational environment and cargo-handling requirements:

  • Telescopic Boom Crane (Stiff Boom): Utilizes a high-torque bent-axis hydraulic winch and wire-rope mechanism for precise vertical hoisting. It is engineered for long-range reach, high-altitude lifting, and precise placement (e.g., lowering loads into deep foundation trenches or erecting steel frames on tall buildings).
  • Knuckle Boom Crane (Folding Boom): Features an articulated boom system that folds compactly behind the truck cab, leaving maximum space on the truck bed for cargo. Operating without a wire winch in standard configurations, it uses direct hydraulic cylinders to lift, grab, and clamp. It is highly versatile in tight urban areas, under bridge decks, and works perfectly with hydraulic attachments like brick grabs and clamshell buckets.
Q2: How do I choose the correct lifting capacity (tonnage) for my truck crane?

Truck crane tonnage is rated at its minimum working radius (usually 2 to 2.5 meters from the slewing center). As the boom extends, the maximum safe lifting capacity decreases due to gravity leverage. To select the right crane, calculate your required Lifting Moment (expressed in kN·m) using the formula below:

Lifting Moment (kN·m) = Load Weight (kg) × Working Radius (m) × 9.8 / 1000
  • 2T – 5T Series: Optimized for light-duty municipal maintenance, landscaping, and small equipment transport.
  • 6.3T – 12T Series: The global industry standard for general construction, utility repairs, and brick/timber logistics.
  • 14T to 200T heavy-duty series: Built for extreme industrial heavy-recovery, mining support, and large-scale machinery relocation.
Q3: Which truck chassis brands are compatible with TERRA cranes?

Our cranes feature a universal high-strength sub-frame designed for easy mounting on world-renowned commercial truck chassis to ensure easy local maintenance. Our systems are fully compatible with chassis brands widely used in South America, the Middle East, Africa, and Central Asia, including HOWO, SHACMAN, DONGFENG, ISUZU, SCANIA, FOTON, and FAW. Depending on the crane’s weight and torque, we recommend:

  • 4×2 / 6×2 Chassis: Ideal for 2T to 5T cranes.
  • 6×4 Chassis: Recommended for 6.3T to 12T cranes.
  • 8×4 / 10×4 Chassis: Essential for heavy-duty cranes from 14T up to 100T+ to ensure proper axle weight distribution and comply with local road regulations.
Q4: Can TERRA crane trucks be customized with specialized hydraulic attachments?

Yes. Our cranes are designed with auxiliary dual-action hydraulic lines and high-pressure flat-face quick couplers at the boom tip to power a wide variety of heavy-duty attachments, transforming your vehicle into an autonomous multi-purpose cargo machine. Popular B2B attachments include:

  • Earth Augers: For rapid power line pole drilling and foundation boring.
  • Timber/Scrap Grapples: For high-volume forestry and recycling logistics.
  • Hydraulic Brick Clamps: Specifically tuned with constant-pressure relief valves to prevent crushing bricks during loading.
  • Amphibious Clamshell Grabs: Equipped with slotted drainage valves for river dredging and municipal wastewater sludge cleanup.
Q5: What built-in safety features are included to prevent overloading and structural damage?

Safety under load is our highest engineering priority. All TERRA cranes are equipped with redundant mechanical and hydraulic safety systems, including:

  • Load Moment Indicator (LMI): Actively monitors load weight, boom angle, and extension, triggering automatic visual/audible alarms and cutting off dangerous movements before an overload occurs.
  • High-Strength Hydraulic Locks: Fitted on all outrigger and lift cylinders to prevent hydraulic cylinder “drift” or sudden collapse in the event of an engine shutdown.
  • Dual-Seal Two-Way Balance Valves: Provides a dual-seal barrier to securely lock the telescoping boom at any angle under full load.
  • Over-Winding Alarm System: Automatically stops the bent-axis winch drum (applicable on stiff boom cranes) to prevent wire rope snapping when the hook blocks approach the boom tip.
Q6: How do TERRA cranes perform in extreme temperatures and dusty mining environments?

We specifically customize our hydraulic and cooling systems to withstand the harshest climates in emerging markets:

  • Tropical/Desert Package (Middle East & Africa): Equipped with a large-volume, high-power hydraulic oil radiator featuring an oversized cooling fan to keep oil temperatures below 60°C in ambient heat up to 50°C.
  • Cold Climate Package (Central Asia & Russia): Outfitted with specialized low-temperature resistant hydraulic seals and high-fluidity low-pour-point hydraulic oils, allowing smooth operation down to -40°C.
  • Dust & Sand Protection: The slewing bearings and cylinder rods are protected by heavy-duty wiper seals to prevent abrasive sand from penetrating the system and causing premature wear.
Q7: Why does TERRA utilize premium structural steel instead of standard structural steel?

To maximize your payload capacity and ensure road compliance, our cranes are fabricated entirely with Premium High-Tensile Structural Steel of European-standard high-yield strength. This advanced material drastically reduces the crane’s deadweight (tare weight) while maximizing its Resisting Bending Moment (RBM). For B2B fleet operators, this means a lighter truck crane that can legally carry more cargo on the truck bed while enjoying superior structural rigidity that prevents boom twist or cracking under heavy stress.

Q8: Does a knuckle boom (folding) crane require a winch drum for hoisting?

Standard knuckle boom cranes do not use a winch drum or wire rope; they utilize direct hydraulic cylinders and heavy-duty mechanical linkages to raise and lower cargo. This design allows for extremely fast loading cycle times and precise close-range handling. However, for specialized utility construction or high-altitude rescue work, we can customize knuckle boom cranes by adding an auxiliary hydraulic bent-axis winch at the main boom tip to provide vertical wire-rope hoisting capabilities.

Q9: What makes TERRA hydraulic systems more reliable in remote locations with limited repair shops?

In many emerging markets, complex computer sensors and fragile microprocessors are the leading cause of prolonged machine downtime. TERRA cranes are engineered with robust, high-pressure, mechanically actuated control valves and heavy-duty gear/piston pumps. This robust mechanical-hydraulic design ensures high reliability under extreme workloads, allows for manual emergency overrides, and can be easily serviced by any local hydraulic technician with zero digital diagnostics tools required.

Truck Crane Attachments

packing & shipping

Custom fumigated wooden crates with anti-rust waxing and heavy-duty steel fastening for 100% safe maritime transit.

CUSTOMIZED SERVICE

Bespoke engineering for lifting capacity, boom sections, and color to perfectly match your specific truck chassis.

BUYING GUIDE

Expert technical consultations and detailed PDF catalogs to help you make informed choices for your lifting needs.

Warranty

12-month comprehensive warranty with 24/7 global online technical support and rapid spare parts supply.

Related Truck Cranes

35-ton articulating crane mounted on an 8x4 commercial cargo truck with 8.2m outrigger span.
20-ton telescopic lorry crane mounted on heavy commercial chassis for urban construction.
Dual-cylinder hydraulic clamshell grab featuring watertight seals and maintenance-free joints for harsh B2B environments.
Heavy-duty 8-ton 4-section knuckle boom crane with brick grab attachment on a construction site.

Why Choose TERRA Truck Crane?

TERRA provide high-performance lifting solution designed for maximum durability and precision. Featuring our signature octagonal boom design and a professional hydraulic control system, it ensures reliable operation in the harshest environments. Perfectly compatible with SHACMAN, HOWO, ISUZU, DONGFENG, SCANIA and many other brand chassis.

Get a fast quote for TERRA Truck Cranes!

Our technical team will reply with a detailed drawing and price within 12 hours.

Scroll to Top