SURTEC NT5251
Rugged 40HP 2-Stroke 12"/13" Propeller Options
Some engines are designed for pleasant afternoons. The SURTEC T40J is designed for the trips that have to happen — cargo moving upriver before the weather turns, nets that must reach the grounds regardless of the chop, schedules that leave no room for mechanical excuses. Its 669cc two-stroke powerhead produces a full 40hp (29.4kW) of thrust with the strong load-carrying ability that working waterways actually demand.
The difference is inside the engine. Reinforced internal components — the precision-balanced crankshaft, long-life piston rings, heavy-duty gear assembly, and rigid gearbox housing — are specified for extreme field use, not just fair-weather duty cycles. Coastal fisheries, heavy river transport, and remote commercial operations put engines under sustained load in hot, humid, salt-laden air; the T40J's anti-wear engineering is built to keep delivering dependable output through exactly those conditions, season after season.
Flexibility where infrastructure is thin is a core strength. Operators choose manual recoil starting or electric starting to match their working reality — the electric option earning its keep on fleets that run all day, the manual option trusted where batteries and charging simply do not exist. Smooth tiller steering and straightforward outboard motor controls place every function at the operator's hand, while forward-neutral-reverse gear selection through the 4500-5500rpm range gives the low-speed precision that netting, docking, and confined river channels require.
Serviceability follows the same field-first philosophy. The carbureted fuel system and CDI ignition with automatic spark advance can be maintained with basic tools at any competent workshop — or riverbank — keeping downtime short where a broken engine can cost a day's income. Extended service intervals and a simple mechanical structure hold running costs down for operators who count every litre of fuel and every maintenance hour.
Protection against the water it works in is engineered throughout: corrosion-resistant materials and strong anti-wear treatment on the powerhead and drive resist saltwater, humidity, and abrasive river silt, preserving performance across years of commercial abuse. Propeller options in 12-inch and 13-inch pitch let operators tune the drive for heavy cargo runs or faster light-load crossings, and the 24-litre fuel supply sustains long hauls between remote refuelling points.
For buyers evaluating outboard motors on sale, and for outboard motor suppliers and distributors serving demanding commercial markets, the T40J represents SURTEC's answer to the hardest question in the segment: proven 40hp two-stroke performance, reinforced for the field, priced for the fleet, and supported by stable wholesale parts supply across Southeast Asia, Africa, and Latin America.
| Max. Output Power | 40hp/29.4kW |
| Tansom Height | 15/20" |
| Displacement | 669cc |
| Ignition System | CDI |
| Max.RPM Range | 4500-5500rpm |
| Fuel Induction System | Carburetor |
| Steering System | Tiller |
| Starting System | Manual or Electric |
| Gear Shift | F-N-R |
| Gear Ratio | 2 |
| Trim and Tilt | Manual |
| Fuel Tank Capacity | 24L |
| Propeller Options | 3-12"/13" |
Quick answers to help you learn more about our offerings, processes, and how we can support your project needs.
The T40J features a high-performance engine optimized for its category, delivering stable and efficient power for demanding tasks.
Yes, it is equipped with an easy-start system and ergonomic controls to ensure minimal effort and maximum comfort during operation.
The T40J is ideal for a variety of tasks including professional landscaping, agricultural maintenance, and serious home garden work.
Certainly. We welcome sample orders for quality testing and evaluation before proceeding with bulk purchases.
Our standard production lead time is 31-45 days, depending on the order volume and specific customization requirements.
Trusted by 100+ Distributors, SURTEC Power Your Market Growth with Profitable Solutions