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Doosan Forklift Specifications – Complete Model Series Guide

Published time：

2026-07-22

Author：

Xin Hong Guang

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Xin Hong Guang

Abstract

Doosan Industrial Vehicle offers a comprehensive range of forklifts across diesel, LPG, and electric powertrains, with capacities spanning 1.5 to 25.0 tonnes. Specifications vary by model series, power source, and configuration. This guide provides an overview of key specifications for Doosan's major forklift families in 2026.D Series – Diesel ForkliftsThe D Series is Doosan's core diesel lineup, built for heavy-duty outdoor applications including construction, lumber yards, ports, and heavy manufacturing.Model Capacity Load Center Engine Transmission Tire TypeD20S-5 2,000 kg 500 mm 4-cyl diesel Powershift PneumaticD25S-7 2,500 kg 500 mm 4-cyl diesel (Tier 4/Stage V) Powershift PneumaticD30S-5 / D30S-7 3,000 kg 500 mm 4-cyl diesel Powershift PneumaticD50S-7 5,000 kg 600 mm 6-cyl diesel (Tier 4/Stage V) Powershift PneumaticD70S-7 7,000 kg 600 mm 6-cyl diesel Powershift PneumaticD100S-7 – D160S-7 10,000–16,000 kg 600–900 mm 6-cyl heavy-duty diesel Powershift Pneumatic (heavy-duty

Doosan Industrial Vehicle offers a comprehensive range of forklifts across diesel, LPG, and electric powertrains, with capacities spanning 1.5 to 25.0 tonnes. Specifications vary by model series, power source, and configuration. This guide provides an overview of key specifications for Doosan's major forklift families in 2026.


D Series – Diesel Forklifts


The D Series is Doosan's core diesel lineup, built for heavy-duty outdoor applications including construction, lumber yards, ports, and heavy manufacturing.


Model Capacity Load Center Engine Transmission Tire Type

D20S-5 2,000 kg 500 mm 4-cyl diesel Powershift Pneumatic

D25S-7 2,500 kg 500 mm 4-cyl diesel (Tier 4/Stage V) Powershift Pneumatic

D30S-5 / D30S-7 3,000 kg 500 mm 4-cyl diesel Powershift Pneumatic

D50S-7 5,000 kg 600 mm 6-cyl diesel (Tier 4/Stage V) Powershift Pneumatic

D70S-7 7,000 kg 600 mm 6-cyl diesel Powershift Pneumatic

D100S-7 – D160S-7 10,000–16,000 kg 600–900 mm 6-cyl heavy-duty diesel Powershift Pneumatic (heavy-duty)

Key Features (D Series):


Operator Sensing System (OSS) – prevents movement when operator is not properly seated


Oil-cooled disc brakes – reduced maintenance, exceptional durability


Powershift transmission – smooth, reliable power delivery


High-visibility mast – improved forward visibility


Emission compliance – EPA Tier 4 Final / EU Stage V available


G Series – LPG / Gasoline Forklifts


The G Series offers LPG and gasoline-powered alternatives for mixed indoor/outdoor operations where diesel emissions are a concern.


Model Capacity Load Center Fuel Type Tire Type

G20E-3 2,000 kg 500 mm LPG / Gasoline Cushion or Pneumatic

G25S-7 2,500 kg 500 mm LPG Cushion or Pneumatic

G30E-3 3,000 kg 500 mm LPG / Gasoline Cushion or Pneumatic

Key Features (G Series):


Lower emissions than diesel – suitable for indoor use with ventilation


OSS – Operator Sensing System


Oil-cooled disc brakes


Powershift transmission


B Series – Electric Counterbalance Forklifts


The B Series represents Doosan's established electric lineup, featuring AC motor technology for zero-emission indoor operations.


Model Capacity Load Center Voltage Battery Options Tire Type

B20X-7 2,000 kg 500 mm 48V Lead-acid / Lithium-ion Cushion or Pneumatic

B25X-7 2,500 kg 500 mm 48V Lead-acid / Lithium-ion Cushion or Pneumatic

B30X-7 3,000 kg 500 mm 48V / 80V Lead-acid / Lithium-ion Cushion or Pneumatic

B40X-7 – B50X-7 4,000–5,000 kg 600 mm 80V Lead-acid / Lithium-ion Cushion or Pneumatic

Key Features (B Series):


AC motor technology – high energy efficiency, low maintenance


Regenerative braking – returns energy to battery during deceleration


OSS – Operator Sensing System


GSS – Guardian Stability System (7-Series models)


High-visibility mast


NXE Series – Advanced Electric Forklifts


The NXE Series is Doosan's newer generation electric lineup, featuring full AC control systems and lithium-ion-ready battery compartments.


Model Capacity Voltage Battery Options Key Features

B15NS – B25NS 1,500–2,500 kg 48V Lead-acid / Lithium-ion ready Full AC control, Curtis controller, OSS, GSS

B30NS – B35NS 3,000–3,500 kg 80V Lead-acid / Lithium-ion ready Full AC control, Curtis controller, OSS, GSS

Key Features (NXE Series):


Full AC control system


Curtis controller – intelligent computer control with fault display


Battery side extract system – quick, safe battery changes without overhead lifting


Cold storage hydraulic option – reliable operation down to -20°C (-4°F)


OSS – Operator Sensing System


GSS – Guardian Stability System


Battery Options – Electric Models


Feature Lead-Acid Battery Lithium-Ion Battery

Upfront Cost Lower Higher

Maintenance Regular watering, equalization Zero maintenance – sealed

Charge Time 6–8 hours + cool-down 1–2 hours; opportunity charging

Cycle Life 1,000–1,500 cycles (3–5 years) 2,000–5,000 cycles (8–12 years)

Efficiency 75–80% 95–99%

Cold Storage Reduced performance Maintains performance (with cold storage package)

Common Specifications Across All Series


Specification Details

Mast Types Simplex, Duplex, Triplex (lift heights from 3.0 m to 6.0 m+)

Tire Options Cushion (indoor smooth surfaces) / Pneumatic (outdoor, uneven terrain)

Operator Safety OSS (Operator Sensing System), GSS (Guardian Stability System)

Brakes Oil-cooled disc brakes (standard on most models)

Steering Hydrostatic steering (reduces operator fatigue)

Emission Compliance EPA Tier 4 Final, EU Stage V (diesel models)

How to Find Exact Specifications for Your Model


For precise specifications for a specific Doosan forklift model:


Check the data plate – Located on the forklift frame, listing capacity, load center, weight, and mast type.


Consult the operator's manual – Provides detailed specifications for your specific model and serial number.


Contact an authorized Doosan dealer – Dealers can provide official specification sheets and parts manuals.


Search by model number – Use the full model number (e.g., D30S-7, B25X-7, B25NS) when searching online or contacting dealers.


Summary


Doosan forklifts are available in diesel (D Series) , LPG (G Series) , and electric (B Series / NXE Series) configurations, with capacities from 1.5 to 25.0 tonnes. Diesel models feature Tier 4/Stage V engines, powershift transmissions, and oil-cooled disc brakes. Electric models offer AC motor technology, regenerative braking, and lithium-ion battery options. The NXE Series provides advanced AC control, Curtis controllers, and cold storage capability down to -20°C. Common safety features across all series include the Operator Sensing System (OSS) and Guardian Stability System (GSS). For exact specifications, consult the data plate, operator's manual, or an authorized Doosan dealer.

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