HTM 440 Fireman
- Model
- Twin AJ 340 + Sigma
- Length
- 13.2 m
- Speed
- 40 kn
- Engine
- 2 x FPT N67 550
AJ Series
Alamarin-Jet AJ 340
The largest model in the AJ series: a light, compact commercial waterjet for large military and commercial fast craft and leisure boats.
550 kWMax. input power (approx. 750 hp)
3,300 rpmMax. impeller shaft speed
272 kgDry weight
335 mmMax. impeller diameter
Features
Features
According to the manufacturer: high cavitation margin
According to the manufacturer, the AJ 340 offers the highest cavitation margin in its class without sacrificing top speed.
Two installation angles: 0°/5°
Available with a 0° or 5° installation angle to suit different stern and engine room layouts.
Conical impeller housing
The impeller can be moved fore and aft to adjust the tip clearance to the housing wall; after wear in sandy or silty water, the clearance can be readjusted (according to the manufacturer).
Bearings and cooling
Oil-lubricated main bearing, water-lubricated rear bearing and integrated oil cooler, with a universal hydraulic system.
Applications: Large military and commercial fast craft, leisure boats
Specifications
Full specifications
| Max. input power | 550 kW (750 hp per the manufacturer) |
|---|---|
| Max. impeller diameter | 335 mm |
| Max. impeller shaft speed | 3,300 rpm |
| Dry weight | 272 kg |
| Pump type | Mixed flow |
| Material | Aluminium / stainless steel |
| Reversing bucket actuation | Hydraulic |
| Compatible control systems | ACU, Sigma |
| About the control systems | See Sigma, ACU and Delta DP |
Installation dimensions (mm)
| Dimension | 0° installation | 5° installation |
|---|---|---|
| A | 850 | 760 |
| B | 2,113 | 2,140 |
| C | 763 | 763 |
| D | 580 | 580 |
| E | 859 | 877 |
Dimension codes refer to the manufacturer's outline drawing; the full 2D drawing is available by email on request.
References
References
IZ 1500 AL pilot boat
- Model
- Twin AJ 340
- Length
- 15.0 m
- Speed
- 32 kn
- Engine
- Cummins QSB6.7-480ID, 473 hp / 3000 rpm
Al Shaali Marine passenger vessel
- Model
- Twin AJ 340
- Length
- 16.5 m
- Speed
- 25 kn
- Engine
- 2 x Yanmar 6CXBM-GT, 464 hp / 2700 rpm
Raptor parasailing boat
- Model
- AJ 340
- Length
- 11.11 m
- Speed
- 36 kn
- Engine
- Cummins QSP, 480 hp / 3000
Downloads
Downloads & enquiries
Alamarin-Jet 2026 Product Range (Chinese edition)
A Chinese edition is planned.
AJ 340 2D outline drawing
Available by email on request.
After-sales in Taiwan | Hallmark Marine Co., Ltd. (authorized Alamarin-Jet distributor in Taiwan)
Equipment selection, installation guidance and sea trials, scheduled maintenance and repair, and genuine parts. For parts enquiries, please provide the brand, model, waterjet serial number and vessel name. Warranty follows the manufacturer's terms and is decided case by case.
Equipment selection, installation guidance and sea trials, scheduled maintenance and repair, and genuine parts. For parts enquiries, please provide the brand, model, waterjet serial number and vessel name. Warranty follows the manufacturer's terms and is decided case by case.