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DF420
RIB Boats DF420

Aquafarer Defender 420 (DF420) Commercial / Heavy-Duty RIB

Entry-level high-strength special utility RIB in the Defender (patrol/commercial) series. DF420 is specifically designed for commercial operations and maritime patrol...

rib defender inshore deep-v compact commercial patrol sar
Overall Length 4.24 m / 13' 11'
Internal Length 2.72 m / 8' 11'
Beam 2.05 m / 6' 9'
Internal Beam 1.08 m / 3' 7'
Deadrise 20° (commercial wave-cutting hull) / 20°
Tube Diameter 47 cm / 19' (18.5')
Full Specifications ▼
Air Chambers 4
Fuel Tank Portable / Locker Fuel Storage (Bow Locker Storage)
Max Load 780 kg / 1,720 lb
Max Persons 8
Boat Weight 254 kg / 560 lb
Max Engine Weight 120 kg / 265 lb
Max Power 60 HP
Recommended Power 40 HP
Engine Shaft L (Long Shaft / 20')
Design Category Category C (Inshore / Coastal Operations) / Category C
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TLDR

A 4.24m commercial RIB with 4mm aluminum 20° deep V hull, 47cm tubes, rated for 60 HP.

  • Coast guard, harbor patrol, dive operators, and commercial marine businesses.
  • Use cases: Harbor patrol, Dive support, Rescue operations

Aquafarer Defender 420 (DF420) Commercial / Heavy-Duty RIB

Entry-level high-strength special utility RIB in the Defender (patrol/commercial) series. DF420 is specifically designed for commercial operations and maritime patrol…

Utilizes a 4mm thick marine-grade high-tensile aluminum alloy deep V hull, built to be extremely rugged and durable. The console and seating layout focus on practical…

Key Features

  • 4mm Marine-Grade Aluminum Hull: Equipped with marine-grade passivation pretreatment and high-adhesion anti-corrosion coating; resistant to grounding and impacts…
  • Heavy-Duty Protection: Standard full-length keel guard (Full length keel guard) and heavy-duty rubbing strake across the entire series.
  • Self-Draining Deck: High-flow self-draining scuppers ensure no water accumulates inside the deck during heavy seas or rain.

Available Colors & Materials

  • Fabric: Standard high-durability French ORCA® Hypalon or reinforced Valmex® PVC.
  • Main color options include Dark Grey, Black, or Rescue Red for stain resistance and high visibility in commercial applications.

Standard Features

  • SUS / SUS300 or Defender dedicated commercial console
  • Integrated reinforced lifting points (Lifting points), bow/stern towing eyes (Towing eyes)
  • Single / Double Jockey Seats

Boat weight includes standard commercial console and seating, excluding outboard engine weight and fuel.

Why this exists

Commercial operators need a rugged, compact patrol RIB for daily heavy-duty use.

Product Definition

Who is it for?

A 4.24m commercial RIB with 4mm aluminum 20° deep V hull, 47cm tubes, rated for 60 HP.

Designed for

Coast guard, harbor patrol, dive operators, and commercial marine businesses.

Best For Your Business

Clubs

Entry-level commercial/heavy-duty RIB for patrol and utility operations.

Use Case

Patrol, SAR, commercial operations, dive support

Operating Cost

Low-moderate — commercial-duty components for daily operation, minimal cosmetic maintenance

Expected Lifespan

10-20 years in commercial service

Why Businesses Choose It

The Defender 420 (DF420) is built for professional duty cycles — heavy-duty protection, commercial paint, and reinforced structure withstand daily commercial use.

Use Cases

Harbor patrol

Dive support

Rescue operations

Commercial utility

Skill level

professional

Comparison

How it compares

The DF420 is more rugged than the Apex series with 4mm hull, full keel guard, and commercial paint for stain resistance.

Frequently Asked Questions

What color options are available? ▼
Dark Grey, Black, and Rescue Red — designed for commercial visibility and stain resistance.
Can it carry dive equipment? ▼
Yes. The bow locker and open deck layout suit dive operations.
Technical Data

Full Specifications

Overall Length 4.24 m / 13' 11'
Internal Length 2.72 m / 8' 11'
Beam 2.05 m / 6' 9'
Internal Beam 1.08 m / 3' 7'
Deadrise 20° (commercial wave-cutting hull) / 20°
Tube Diameter 47 cm / 19' (18.5')
Air Chambers 4
Fuel Tank Portable / Locker Fuel Storage (Bow Locker Storage)
Max Load 780 kg / 1,720 lb
Max Persons 8
Boat Weight 254 kg / 560 lb
Max Engine Weight 120 kg / 265 lb
Max Power 60 HP
Recommended Power 40 HP
Engine Shaft L (Long Shaft / 20')
Design Category Category C (Inshore / Coastal Operations) / Category C
Construction

Materials & Construction

hull
4mm aluminum 20° commercial deep V
tubes
ORCA Hypalon / Valmex PVC 47cm
max engine
60 HP
capacity
8 persons
fuel
Portable / bow locker
Compliance

Certifications & Compliance

✓

Certifications

CE (2013/53/EU (RCD)) Certified by TÜV Rheinland
ISO 9001:2015 Certified by SGS
BSCI Certified by Intertek
UKCA Certified by Intertek
✓

Material Compliance

REACH (EU)
RoHS (EU)
California Prop 65
✓

Testing & Warranty

ISO 6185 (RIB Safety)
ASTM D751 (Seam Strength)
ISO 12217 (Stability)
Warranty

5 years against manufacturing defects

✔
CE Certified
Independently tested to EU safety standards — TÜV Rheinland.
⚙
ISO 9001:2015
Quality management system certified by SGS since 2022.
✦
Tested to Standard
Every unit pressure tested at 1.25x rated PSI for 24-48 hours.
☆
5-Year Boat Warranty
5-year limited warranty on tube fabric, seams, and hull; 2-year on SUP and accessories. 99.3% defect-free (AQL 2.5/ISO 2859).
⚖
REACH & RoHS
All materials comply with EU chemical and environmental regulations.
★
BSCI Certified
Social compliance audit verified for ethical manufacturing.

Compare with other RIB Boats

Interested in Aquafarer Defender 420 (DF420) Commercial / Heavy-Duty RIB?

Contact our team for detailed specifications, pricing, and ordering information.

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