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Home > Products > Internal Combustion Forklifts > Heavy Duty IC Forklifts

Heavy Duty IC Forklifts

5–32 Ton Diesel, LPG & Gasoline Forklifts

HAMAC heavy duty IC forklifts are high-capacity internal combustion counterbalance forklifts designed for demanding industrial material handling. Powered mainly by diesel engines, with selected LPG or gasoline configurations available according to capacity and market requirements, these forklifts are suitable for factories, steel yards, ports, stone and marble facilities, precast concrete plants, timber yards, machinery manufacturers and large outdoor storage areas.

The heavy duty forklift range features reinforced chassis structures, high-capacity masts, large pneumatic tires, powerful engines and durable transmission systems for stable handling of heavy pallets, steel products, stone blocks, machinery components, concrete elements, timber bundles, containers and oversized industrial cargo. HAMAC can configure each heavy duty IC forklift with different mast heights, fork lengths, fork positioners, side shifters, cabins, air conditioners, cameras, weighing systems and specialized attachments.

Capacity: 5–32 Tons

Lift Height: Up to 6.5m

Power System: Heavy Duty Diesel Engine Options

Heavy Duty IC-Technical Specifications Overview

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HAMAC heavy duty internal combustion forklifts are available from 5 tons to 32 tons. The 5T, 7T and 10T diesel forklifts are suitable for building material yards, timber handling, steel processing, machinery factories, container loading and general industrial cargo. The 12T and 16T heavy duty forklifts are designed for larger pallets, precast concrete products, stone, marble, steel coils, machinery parts and demanding port or industrial-yard operations.

For oversized and high-weight cargo, HAMAC can provide 18T, 25T and 32T heavy lift forklifts. These high-capacity diesel forklifts are intended for ports, terminals, steel mills, mining support areas, shipyards, large manufacturing facilities and specialized heavy material handling projects. The correct heavy duty IC forklift should be selected according to rated capacity, load center, load dimensions, lift height, attachment weight, tire requirements, ground conditions, travel distance, operating hours and required residual capacity.

Product Advantages

01 Powerful Engine Performance

HAMAC internal combustion forklifts are available with diesel, LPG, gasoline and dual-fuel power options to match different operating requirements. Diesel forklifts provide strong torque for heavy loads and outdoor work, while LPG and gasoline forklifts offer flexible performance for factory, loading dock and mixed indoor-outdoor applications with suitable ventilation. IC forklift power systems are designed to deliver stable travel performance, responsive lifting and dependable operation during continuous material handling tasks.

02 Fast Refueling for Continuous Work

Internal combustion forklifts can be refueled quickly, helping customers reduce downtime during long shifts and high-frequency handling operations. Diesel tanks can be refilled efficiently, while LPG cylinders can be replaced quickly when fuel is available on site. This makes diesel, LPG and dual-fuel forklifts a practical choice for rental fleets, logistics yards, busy loading areas and operations that cannot wait for battery charging.

03 Built for Outdoor and Heavy-Duty Applications

With durable frames, powerful engines, high ground clearance and robust drive systems, HAMAC internal combustion forklifts are suitable for industrial yards, construction material storage, timber yards, factories, ports and outdoor logistics areas. They can handle demanding work involving building materials, machinery parts, steel products, timber, palletized cargo and other heavy industrial loads.

04 Pneumatic Tire Options for Uneven Ground

HAMAC diesel and LPG forklifts can be equipped with pneumatic tires for better traction and stability on paved yards, loading areas and uneven outdoor surfaces. This configuration is especially suitable for construction sites, lumber yards, agricultural facilities, ports and industrial areas where a standard warehouse electric forklift may not be the best choice. Pneumatic-tire IC forklifts are widely used where ground clearance, durability and outdoor mobility are important.

05 Configurable Fuel, Mast and Attachment Solutions

Customers can choose diesel, LPG, gasoline or dual-fuel forklift configurations based on fuel availability, operating hours, emissions requirements and working environment. HAMAC can also provide duplex or triplex masts, full free lift options, side shifters, fork positioners, fork extensions, cabins, air conditioners, warning lights and specialized attachments to match pallet sizes, rack heights and handling tasks. Industry IC models commonly offer diesel, LPG or dual-fuel versions within comparable 2.0–3.5T capacity classes.

06 Durable Design and Operator Comfort

HAMAC internal combustion forklifts are designed for long operating hours with an ergonomic operator area, clear forward visibility, practical controls and service-friendly component access. Heavy-duty cooling, reliable drivetrain components and reinforced chassis configurations help support stable operation in hot, dusty and demanding work environments. Contemporary diesel/LPG forklift designs commonly combine enhanced cooling, wet-disc brake axles, ergonomic cabins and durable powertrain components to improve uptime and serviceability.

Compatible Attachments

Rallet fork

Bucket

Crane Arm

Mixed barrel

Bale Fork

Snow Blower

Grapple Bucket

Mixed Bucket

Road Sweeper

Mixed barrel

Crass Cutter

Application Scenarios

Construction Sites

Agriculture & Farming

Industrial Logistics

Municipal Works

Mining & Energy

Technical Specifications

Item	Unit	FD50	FD70	FD100	FD120	FD160	FD180	FD250	FD320
General
Model	-	FD50	FD70	FD100	FD120	FD160	FD180	FD250	FD320
Power Type	-	Diesel	Diesel	Diesel	Diesel	Diesel	Diesel	Diesel	Diesel
Fuel Options	-	Diesel / LPG Optional	Diesel / LPG Optional	Diesel / LPG Optional	Diesel / LPG / Gasoline Optional	Diesel / LPG / Gasoline Optional	Diesel	Diesel	Diesel
Operator Type	-	Seated	Seated	Seated	Seated	Seated	Seated	Seated	Seated
Chassis Type	-	4-Wheel Counterbalance	4-Wheel Counterbalance	4-Wheel Counterbalance	4-Wheel Counterbalance	4-Wheel Counterbalance	4-Wheel Counterbalance	4-Wheel Counterbalance	4-Wheel Counterbalance
Rated Capacity	kg	5000	7000	10000	12000	16000	18000	25000	32000
Load Center	mm	600	600	600	600	600	900	1200	1250
Tire Type	-	Pneumatic Tire	Pneumatic Tire	Pneumatic Tire	Pneumatic Tire	Pneumatic Tire	Pneumatic Tire	Pneumatic Tire	Pneumatic Tire
Tire Size, Front	-	300-15-18PR	8.25-15-14PR	9.00-20-14PR	10.00-20-18PR	12.00-20-18PR	12.00-20-18PR	14.00-24-28PR	16.00-25-32PR
Tire Size, Rear	-	7.00-12-14PR	8.25-15-14PR	9.00-20-14PR	10.00-20-18PR	12.00-20-18PR	12.00-20-18PR	14.00-24-28PR	16.00-25-32PR
Number of Wheels, Front / Rear	-	2 / 2	2 / 2	2 / 2	2 / 2	2 / 2	4 / 2	4 / 2	4 / 2
Mast and Forks
Standard Lift Height	mm	3000	3000	3000	3000	4000	4000	3500	3500
Optional Lift Height	mm	3000-6000	3000-6000	3000-6000	3000-6500	3000-6500	3000-6000	3000-5500	3000-5000
Mast Type	-	Duplex / Triplex	Duplex / Triplex	Duplex / Triplex	Duplex / Triplex	Duplex / Triplex	Duplex / Triplex	Duplex / Triplex	Duplex / Triplex
Mast Tilt Angle, Forward / Backward	deg	6 / 12	6 / 12	6 / 12	6 / 12	6 / 12	6 / 12	6 / 12	6 / 12
Fork Dimensions, L × W × T	mm	1220 × 150 × 50	1220 × 150 × 60	1520 × 200 × 80	1820 × 200 × 90	2420 × 200 × 90	2420 × 250 × 100	2440 × 300 × 110	2440 × 340 × 125
Fork Carriage Class	-	IIIB	IIIB	IV	IV	IV	IV	V	V
Dimensions
Wheelbase	mm	2300	2300	2800	3600	4500	4600	4700	4800
Overall Length without Forks	mm	3485	3645	4202	5600	7160	7600	8200	7150
Overall Width	mm	2045	2045	2165	2500	3430	3500	3100	3320
Overhead Guard / Cabin Height	mm	2450	2450	2560	2900	4220	4300	3700	3860
Min. Ground Clearance under Mast	mm	180	180	200	250	285	300	350	400
Min. Outside Turning Radius	mm	3225	3340	3940	4300	5200	5800	6600	7260
Performance
Travel Speed, Laden / Unladen	km/h	26 / 26	26 / 26	26 / 26	24 / 26	25 / 28	24 / 27	24 / 27	25 / 28
Lifting Speed, Laden / Unladen	mm/s	400 / 450	380 / 420	350 / 400	360 / 400	350 / 380	300 / 330	280 / 300	260 / 280
Lowering Speed, Laden / Unladen	mm/s	500 / 500	500 / 500	500 / 500	400 / 400	380 / 350	320 / 300	280 / 250	250 / 180
Max. Gradeability, Laden	%	25	25	20	20	20	20	20	20
Engine and Transmission
Engine Type	-	Diesel Engine	Diesel Engine	Diesel Engine	Diesel Engine	Diesel Engine	Diesel Engine	Diesel Engine	Diesel Engine
Engine Brand Options	-	Xinchai / Cummins / Isuzu Optional	Cummins / Isuzu Optional	Cummins / Isuzu Optional	Cummins / Weichai Optional	Cummins / Weichai Optional	Cummins / Weichai Optional	Weichai / Cummins Optional	Weichai / Cummins Optional
Rated Engine Power	kW	55	55	80	92	129	150	178	178 / 194
Transmission Type	-	Hydraulic Transmission	Hydraulic Transmission	Hydraulic Transmission	Hydraulic Transmission	Hydraulic Transmission	Hydraulic Transmission	Hydraulic Transmission	Hydraulic Transmission
Optional Configurations
Available Options	-	Diesel Engine, LPG / Gasoline Options for Selected Models, Pneumatic Tires, Duplex Mast, Triplex Mast, Full Free Lift Mast, Wide Side Shifter, Fork Positioner, Long Forks, Coil Ram, Paper Roll Clamp, Bale Clamp, Fork Extensions, Full Cabin, Air Conditioner, Heater, Camera System, Rear Working Light, Blue Safety Light, Fire Extinguisher, Weighing System, Spark Arrestor and Customized Heavy Duty Attachments

Product Overview Product Advantages Compatible Attachments Application Scenarios Technical Specifications

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Common FAQs

What is a heavy duty IC forklift? −

A heavy duty IC forklift is a high-capacity internal combustion counterbalance forklift designed to lift and transport large, heavy, or oversized industrial loads. HAMAC heavy duty IC forklifts are mainly diesel-powered and are suitable for steel yards, ports, stone and marble facilities, precast concrete plants, timber yards, machinery factories, and other demanding industrial environments.

What capacities are available for HAMAC heavy duty IC forklifts? +

HAMAC heavy duty IC forklifts are available from 5 tons to 32 tons. The product range includes 5T, 7T, 10T, 12T, 16T, 18T, 25T, and 32T diesel forklift solutions. The final capacity must be selected according to actual load weight, load center, lifting height, load dimensions, attachment weight, and residual capacity at the required lift height.

Which heavy duty forklift is suitable for steel, stone, or precast concrete? +

A 5 ton to 10 ton diesel forklift is commonly used for standard heavy pallets, building materials, timber, and medium industrial cargo. A 12 ton or 16 ton heavy duty forklift is more suitable for larger precast concrete products, steel bundles, stone blocks, marble slabs, and machinery components. For oversized loads, ports, and specialized industrial projects, HAMAC can recommend an 18 ton, 25 ton, or 32 ton heavy lift forklift after reviewing the load dimensions and load center.

What is the load center of a heavy duty forklift? +

The load center is the horizontal distance from the fork face or load backrest to the center of gravity of the load. Heavy duty IC forklifts commonly use a 600 mm load center for 5T to 16T models, while 18T, 25T, and 32T forklifts may require larger load centers such as 900 mm, 1200 mm, or 1250 mm. A larger load center reduces the available lifting capacity, so HAMAC must confirm the actual load size before selecting the forklift.

Can a heavy duty IC forklift be fitted with attachments? +

Yes. HAMAC heavy duty IC forklifts can be equipped with wide side shifters, fork positioners, long forks, fork extensions, coil rams, paper roll clamps, bale clamps, drum handlers, container handling attachments, and other specialized tools. Every attachment adds weight and changes the load center, so the residual capacity chart must be checked before finalizing the forklift configuration.

What lift height is available for heavy duty diesel forklifts? +

HAMAC heavy duty diesel forklifts can be configured with duplex or triplex mast options. Standard lift heights are commonly 3000 mm, 4000 mm, or 5000 mm, while selected 12T to 16T internal combustion forklifts can be configured with lift heights up to approximately 6500 mm. The final lift height must be matched to the load center, mast design, attachment, and residual capacity requirement.

Can heavy duty IC forklifts work outdoors? +

Yes. Heavy duty internal combustion forklifts are designed primarily for outdoor and industrial-yard work. Large pneumatic tires, high ground clearance, reinforced chassis structures, and diesel engine power make them suitable for ports, steel yards, timber yards, concrete plants, stone processing facilities, and paved industrial areas. For extremely soft, muddy, or severely uneven ground, a purpose-built rough terrain forklift or telehandler may be more appropriate.

What engine options are available for high-capacity forklifts? +

HAMAC can offer engine options according to forklift capacity, destination market, fuel availability, and emissions requirements. Depending on the model, available options may include Cummins, Weichai, Isuzu, or other approved diesel engines. The engine power, emission standard, cooling system, and air filtration package should be matched to the site temperature, altitude, dust level, and required operating hours.

What safety options are available for a heavy lift forklift? +

HAMAC can provide safety and operating options such as a full-vision cabin, air conditioner, heater, rear-view camera, reversing alarm, LED work lights, blue safety lights, fire extinguisher, weighing system, speed limiter, warning indicators, and enhanced cooling packages. The final safety configuration should be selected according to the operating site, load type, local regulations, and customer safety policy.

What information is needed to choose a heavy duty IC forklift? +

Please provide the load weight, load dimensions, load center, maximum lift height, required fork length, attachment requirement, ground condition, working gradient, travel distance, working hours per day, operating temperature, dust condition, desired engine emission standard, quantity, and destination country. HAMAC can then recommend a suitable 5 ton to 32 ton heavy duty IC forklift with the correct mast, engine, tire, cabin, and attachment configuration.

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Heavy Duty IC Forklifts