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Transducer Dimensions
Most transducers are irregularly shaped and providing exact dimensions of the entire geometry is not feasible, however the dimensions given will allow a mounting point with enough room for the transducer to be easily chosen. Measurements are rounded up to the nearest one hundredth of an inch. Measurements in millimeters are given where available.
Legend
L - the length of a transducer from front to back
W - the width or the widest point of a transducer
H - the height or the highest point of a transducer
D - the diameter of a round thru-hull or in-hull transducer, thinnest and widest
P - how far a thru-hull transducer without a fairing block will protrude from the bottom of the hull (this number is already accounted for in height)
Transom mount transducers
GT8HW-TM
- L 87.54mm / 3.45in x W 47.97mm / 1.89in x H 22.58mm / 0.89in
GT15M-TM
- L 99mm / 3.9in x W 71.88mm / 2.83in x H 18.8mm / 0.74in
GT20 -TM (4 pin)
- L 149.91mm / 5.9in x W 52.1mm / 2.1in x H 19.41mm / 0.76in
GT20-TM (8 pin), GT24UHD-TM, GT52HW-TM, GT54UHD-TM
- L 154.27mm / 6.1in x W 65mm / 2.6in x H 23.33mm / 0.92in
GT21-TM, GT23M-TM, GT30-TM, GT40-TM, GT50M-TM, GT51M-TM
- L 228.41mm / 8.99in x W 62.37mm / 2.46in x H 27.61mm x 1.08in
GT34UHD-TM
- L 193.77mm / 7.62in x W 38.21mm / 1.5in x H 19.73mm / 0.78in
GT36UHD-TM, 56UHD-TM
- L 218.49mm / 8.6in x W 51.84mm / 2.04in x H 25.43mm / 1in
Dual Beam
- L 3in x W 1.75in x H 0.75in
Dual Frequency
- L 3in x W 1.75in x H 0.75in
Transom Mount Intelliducer
- L 4.75in x W 2.68in x H 1.3in
In-Hull Transducers
GT8HW-IH
- H 44.55mm / 1.75in x D 42.94mm / 1.69in
GT15M-IH
- H 43.13mm / 1.7in x D 92.58mm / 3.64in
Thru-hull transducers
GT21-TH, GT23M-TH, GT41-TH, GT50M-TH, GT51M-TH
- L 228.41mm / 8.99in x W 62.37mm / 2.46in x H 27.61mm / 1.09in
Fairing Block
- L 323mm / 12.72in x W 116mm 4.57in x H 64mm / 2.52in
GT30-TH
- L 197.96mm / 7.79in x W 38.21mm / 1.5in x H 18.8mm / 0.74in
Fairing Block
- L 291mm / 11.97in x W 75.5mm / 2.97in x H 51.5mm / 2.03in
GT34UHD-TH
- L 197.97mm / 7.79in x W 38.21mm / 1.5in x H 19.73mm / 0.78in
Fairing Block
- L 291mm / 11.97in x W 75.5mm / 2.97in x H 51.5mm / 2.03in
PS51-TH
- D 35.9mm / 1.41in at mounting point, 40mm / 1.57in at widest x H 126mm / 4.96in
PS60
- L 169.56mm / 6.68in x W 90.61mm / 3.58in x H 35.8 mm / 1.41in
Fairing Block
- L 500mmm / 19.69in x W 224mm / 8.82in x H 164.5mm / 6.48in
Airmar transom-mount transducers
P66
- L 158mm / 6.22in x W 70mm / 2.76in x H 1.7in
TM265LH, 265LM, 185M
- L 278mm / 10.94in x W 108mm / 4.26in x H 99.06 / 3.9in
Airmar thru-hull transducers
B258, B260, B265LH, B265LM, B275LHW, B744V, B744VL
- L 216mm / 8.5in x W 114mm / 4.5in x H 67mm / 2.64in
Fairing Block
- L 568mm / 22.35in x W 133mm / 5.25in x H 130mm / 5.13in
R109LHW
- L 557mm / 21.94in x W 138mm / 5.41in x H 194mm / 7.65in
R109LM, 509LHW
- L 587mm / 23.12in x W 70mm / 6.68in x H 201mm / 7.93in
P79
- H 4.83in x D 3.65in widest point / 2.63in at mounting point x P 0.52in
DST810
- H 125mm / 4.92in, 5mm protrusion , 14mm / .57in for speed wheel x D 75mm / 2.94in widest point, 1.8in mounting point
B/SS 60, B619, B150, B117
- H 100mm / 3.94in x D 88mm widest point / 60mm mounting point x P 5mm
B164, 175HW, 175M, 175L, B175H
- H 4.67in x D 5.25in at widest 3.75in mounting point x P 0.25in
Airmar in-hull transducers
R111LH
- L 436mm / 17.18in x W 225mm / 8.84in x H 261mm / 10.27in
CM599LHW, CM599LH
- L 368mm / 14.5in x W 156mm / 7.12in x H 24mm / 4.87in
M265LH
- L 221mm / 8.71in x L 153mm / 6.02in x H 208mm / 8.19in