Harley-Davidson Harley Davidson FXDF Dyna Fat Bob (2013) vs Harley-Davidson Harley Davidson Forty-Eight Special (2018-19)
Comparison technical specifications
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| Make: | Harley-Davidson | Harley-Davidson |
| Model: | Harley Davidson FXDF Dyna Fat Bob | Harley Davidson Forty-Eight Special |
| Years: | 2013 | 2018-19 |
| Engine: | Four stroke, V-Twin, 'Twin Cam 103™ | Evolution, four stroke, 45° V-Twin, OHV, 2 valves per cylinder |
| Capacity: | 1690 cc / 103 cu. in | 1202 cc / 73.4 cu in |
| Bore x Stroke: | 98.4 x 111.3 mm | 88.9 x 96.8 mm |
| Cooling System: | Air cooled | Air cooled |
| Compression Ratio: | 9.6:1 | 10.01:1 |
| Induction: | Electronic Sequential Port Fuel Injection (ESPFI) | Electronic Sequential Port Fuel Injection (ESPFI) |
| Ignition: | Single-fire, non-wasted, map-controlled spark ignition | Digital CDI |
| Starting: | Electric | Electric |
| Max Torque: | 134 Nm / 98.8 ft/ lbs @ 3500 rpm | 99 Nm / 73 ft/lbs @ 3500 rpm |
| Transmission: | 6 Speed | 5 Speed |
| Final Drive: | Belt | Belt |
| Gear Ratio: | 1st 9.311 2nd 6.454 3rd 4.793 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; circular sections; cast junctions Swingarm Mild steel, rectangular tube sections, stamped junctions; MIG welded |
| Front Suspension: | 49 mm with polished aluminum fork triple clamp and dual-rate springs, | Front forks with cartridge dampening technology |
| Rear Suspension: | Coil over shock | Emulsion technology rear shocks with 50 mm range of pre-load adjustability and an under-seat, rear shock suspension adjustment wrench |
| Front Brakes: | Single 300mm disc 4 piston caliper | Single 300mm disc, 2 x 38mm piston calipers |
| Rear Brakes: | Single 292mm disc 2 piston caliper | Single 300mm disc, 2 x 38mm piston calipers |
| Front Tyre: | 130/90B16 67 | 130/90 B16 73H |
| Rear Tyre: | 180/70B16 77H | 150/80 B16 77H |
| Rake: | 29° | 30.2° |
| Trail: | 125 mm / 4.9 in | 135 mm / 5.3 in |
| Dimensions: | Length 2329 mm / 91.7 in Width 889 mm / 35.0 in Height 1130 mm / 44.5 in. | Length 2165 mm / 85.2 in |
| Wheelbase: | 1618 mm / 63.7 in. | 1495 mm / 58.9 in |
| Seat Height: | Laden 663 mm / 26.1 in. Unladen 686 mm / 27.0 in | 705 mm / 27.7 in Unladen |
| Wet Weight: | 320 kg / 706 lbs | 256 kg / 564 lbs |
| Oil Capacity: | 2.8 Litres | 2.6 Litres / 0.69 US gal |
| Fuel Capacity: | 18.9 Litres / 5.0 gal | 7.9 Litres / 2.1 US gal |