Performance Report
SeaArk
TEST MOTOR:
DF115BTLSS
BOAT TYPE:
Fishing
TEST DATE:
10/16/2025
BOAT
Shadow 18 SC
MATERIAL
Aluminum
LENGTH
18'
BEAM
6'10"
WEIGHT (lb.)
750
MAXIMUM HP
115
FUEL CAPACITY (gal)
18
TRANSOM HEIGHT
20
STEERING
Hydraulic
ENGINE
DF115BTLSS
ENGINE TYPE
Inline 4 Cyl.
HP
115
DISPLACEMENT (L)
2.0
OPERATING RANGE
5300-6300
WEIGHT (lb.)
415
FUEL DELIVERY
EFI
GEAR RATIO
2.59:1
OTHER SPECS
Propeller
MATERIAL
Stainless Steel
DIAMETER/PITCH
14x22
NUMBER OF BLADES
3
PART NUMBER
990C0-00610-22P
Mounting Height
HOLE POSITION
2
JACK PLATE
N/A
TEST CONDITIONS
TEST CONDITIONS
WATER CONDITIONS
Light Chop
WIND VELOCITY (MPH)
1-3
AIR TEMPERATURE (°F)
81
FUEL LOAD (gal)
12
WEIGHT ONBOARD
2 Persons, Full Safety Gear
PERFORMANCE DATA
RPM
MPH
GPH
MPG
RANGE
idle
2.9
0.3
11.6
188
1000
3.6
0.4
8.3
134
1500
5.9
0.8
7.5
122
2000
7.3
1.2
6.3
102
2500
11.2
1.7
6.4
104
3000
18.3
2.2
8.5
137
3500
24.9
2.6
9.5
154
4000
29.6
3.4
8.7
140
4500
33.8
4.4
7.6
124
5000
37.8
6.2
6.1
98
5500
40.8
8.6
4.7
77
6000
45.0
11.5
3.9
63
6300
47.8
12.4
3.8
62
PERFORMANCE SUMMARY
TOP SPEED (MPH)
47.8
ACCELERATION (0-25 Sec.)
5.08
OPTIMUM CRUISING (RPM)
RANGE (MILES)
RANGE (MILES)
3500
154
154
BEST CRUISING (RPM)
FUEL EFFICIENCY (MPG)
FUEL EFFICIENCY (MPG)
3500
9.5
9.5
FOR MORE INFORMATION
MANUFACTURER
SeaArk Boats
LOCATION:
Monticellio, AR
SUZUKI marine
suzukimarine.com
PHONE:
870-367-5317
WEBSITE:
www.seaarkboats.com
OUTBOARD:
DF115B STEALTH
