Harley-Davidson Harley Davidson FLSTFB Softail Fat Boy Lo (2014) vs Harley-Davidson Harley Davidson FXSB Softail Breakout (2015) vs Harley-Davidson Harley Davidson Forty-Eight Special (2018-19)
Comparison technical specifications
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| Make: | Harley-Davidson | Harley-Davidson | Harley-Davidson |
| Model: | Harley Davidson FLSTFB Softail Fat Boy Lo | Harley Davidson FXSB Softail Breakout | Harley Davidson Forty-Eight Special |
| Years: | 2014 | 2015 | 2018-19 |
| Engine: | Four stroke, V-Twin, Twin Cam 103™ Pushrod-operated, overhead valves with hydraulic, self-adjusting lifters; two valves per cylinder, with Integrated Oil-Cooler | Four stroke, Twin Cam 103 TM Valves Pushrod-operated, overhead valves with hydraulic, self-adjusting lifters; two valves per cylinder, | Evolution, four stroke, 45° V-Twin, OHV, 2 valves per cylinder |
| Capacity: | 1690 cc / 103.1 cu-in | 1690 cc / 103.1 cu in | 1202 cc / 73.4 cu in |
| Bore x Stroke: | 98.4 x 111.1 mm | 98.4 x 111.1 mm | 88.9 x 96.8 mm |
| Cooling System: | Air cooled | Air cooled | Air cooled |
| Compression Ratio: | 9.6:1 | 9.6:1 | 10.01:1 |
| Induction: | Electronic Sequential Port Fuel Injection (ESPFI) | Fuel SystemElectronic Sequential Port Fuel Injection (ESPFI) | Electronic Sequential Port Fuel Injection (ESPFI) |
| Ignition: | Single-fire, non-wasted, map-controlled spark ignition | Single-fire, non-wasted, map-controlled spark ignition | Digital CDI |
| Starting: | Electric | Electric | Electric |
| Max Torque: | 132 Nm / 98.8 ft. lbs @ 3250 rpm | 134 Nm / 99.5 lb-ft @ 3000 rpm | 99 Nm / 73 ft/lbs @ 3500 rpm |
| Transmission: | 6 Speed | 6 Speed | 5 Speed |
| Final Drive: | Belt | Belt | Belt |
| Gear Ratio: | 1st 9.311 / 2nd 6.454 / 3rd 4.793 / 4th 3.882 / 5th 3.307 / 6th 2.790 | 1st.311 2nd 6.454 3r d4.793 4th 3.882 5th 3.307 6th 2.79 | 1st 9.315 / 2nd 6.653 / 3rd 4.948 / 4th 4.102 / 5th 3.517 |
| Frame: | Mild steel, tubular frame; rectangular section backbone; stamped, cast and forged junctions, forged fender supports; MIG welded | Mild steel tubular frame; rectangular section backbone; stamped, cast, and forged junctions; forged fender supports; MIG welded Swingarm Mild steel, round tube sections, forged junctions; MIG welded | Mild steel, tubular frame; circular sections; cast junctions Swingarm Mild steel, rectangular tube sections, stamped junctions; MIG welded |
| Front Suspension: | 41.3 mm telescopic, chrome dust covers | 41.3 mm telescopic, chrome dust covers, | Front forks with cartridge dampening technology |
| Rear Suspension: | Hidden, horizontal-mounted, coil-over shock | Hidden, horizontal-mounted, coil-over, | Emulsion technology rear shocks with 50 mm range of pre-load adjustability and an under-seat, rear shock suspension adjustment wrench |
| Front Brakes: | Single 292mm disc 4 piston caliper | Single 292mm disc 4 piston caliper | Single 300mm disc, 2 x 38mm piston calipers |
| Rear Brakes: | Single 292mm disc 4 piston caliper | Single 292mm disc 2 piston caliper | Single 300mm disc, 2 x 38mm piston calipers |
| Front Tyre: | 140/75R17 67V | 130/60B21 63H | 130/90 B16 73H |
| Rear Tyre: | 200/55R17 78V | 240/40R18 79V | 150/80 B16 77H |
| Trail: | 147 mm / 5.7 in | 145 mm / 5.7 in | 135 mm / 5.3 in |
| Dimensions: | Length 2445 mm / 96.2 in | Length 2445 mm / 96.3 in. | Length 2165 mm / 85.2 in |
| Wheelbase: | 1715 mm / 67.5 in | 1710 mm / 67.3 in | 1495 mm / 58.9 in |
| Seat Height: | Laden 616 mm /24.3 in Unladen 669 mm / 26.4 in | Laden2 2 627 mm / 24.7 in Unladen 660 mm / 26.0 in | 705 mm / 27.7 in Unladen |
| Dry Weight: | 317.5 kg / 700 lbs | 308 kg / 681 lbs | 248 kg / 540 lbs |
| Wet Weight: | 330 kg / 731 lbs | 322 kg / 710 lbs | 256 kg / 564 lbs |
| Oil Capacity: | 3.3 Litres / 3.50 qts | 3.3 Litres / 3.5 qt. | 2.6 Litres / 0.69 US gal |
| Fuel Capacity: | 18.9 Litres / 5 gal | 18.9 Litres / 5.0 US gal | 7.9 Litres / 2.1 US gal |