| General |
| Year | 2013 | 2025 |
| Make Model | Harley Davidson Dyna Street Bob | Harley Davidson Softail Fat Boy 117 |
| Dimensions |
| Seat Height | Laden 648 mm / 25.5 in. Unladen 678 mm / 26.7 in. | Unladen 675 mm / 26.6 in Laden 658 mm / 25.9 in |
| Wheelbase | 1630 mm / 64.2 in | 1650 mm / 65 in |
| Ground Clearance | - | 125 mm / 4.9 in |
| Height | 1280 mm / 50.4 in | 1120 mm / 44.1 in |
| Length | 2357 mm / 92.8 in | 2365 mm / 93.1 in |
| Width | 953 mm / 37.5 in. | 965 mm / 40.0 in |
| Weights & Capacities |
| Wet Weight (kg) | 302.6 | 315 |
| Dry Weight (kg) | - | 303 |
| Dry Weight | - | 303 kg / 668 lbs |
| Fuel Capacity | 17.8 Litres / 4.7 gal | 18.9 Litres / US 5.0 gal |
| Maximum Load / GVWR | 492.2 kg / 1085 lbs | - |
| Oil Capacity | 2.8 Litres | - |
| Wet Weight | 302.6 kg / 667 lbs. | 315 kg / 694 lbs |
| Performance |
| Max Power | - | 77 kW / 104Hp @ 4800 rpm |
| Max Torque | 124.7 Nm / 92 ft/ lbs. @ 3000 rpm | 171 Nm / 126 lb-ft @ 3000 rpm |
| Engine |
| Displacement | 1584 cc / 96 cu-in | 1923 cc / 117 cu in |
| Engine Detail | Four stroke, 45° V-Twin, Twin Cam 96 vibration isolation-mounted Valves Pushrod-operated overhead valves; w/ hydraulic self-adjusting lifters; two valves per cylinder | Four stroke, V-Twin, 2 Milwaukee-Eight 117 custom, Pushrod-operated, overhead valves with hydraulic, self-adjusting lifters, 4 valves per cylinder |
| Bore x Stroke | 95.3 x 111.1 mm | 103.5 x 114.3 in |
| Compression Ratio | 9.2:1 | 10.3:1 |
| Cooling System | Air cooled | Air cooled |
| Exhaust | - | 2-into-2 staggered, catalyst in muffler |
| Fuel Induction | Electronic 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 |
| Lubrication | - | Pressurized, dry-sump with oil cooler |
| Starter | Electric | Electric |
| Drivetrain |
| Clutch | - | Mechanical, 10 plate wet, assist & conventional |
| Final Drive | Belt | Belt, 32/66 ratio |
| Gear Ratios | 1st 9.311 2nd 6.454 3rd 4.793 4th 3.882 5th 3.307 6th 2.79 | 1st 9.311 / 2nd 6.454 / 3rd 4.793 / 4th 3.882 / 5th 3.307 / 6th 2.79 |
| Primary Drive | Chain, 34/46 ratio | Chain, 34/46 ratio |
| Transmission / Drive | 6 Speed | 6 Speed |
| Chassis |
| Frame Type | 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, MIG welded, aluminum forged fender supports |
| Suspension - Front | 49 mm with polished aluminum fork triple clamp and dual-rate springs, | Dual bending valve 49mm telescopic with aluminum fork triple clamps, dual rate spring, "beer can" covers |
| Suspension - Rear | Coil over shock , | Hidden, free piston, coil-over monoshock, 43mm stroke, hydraulic preload adjustment |
| Lean Angle | - | 25.6° |
| Rake | 29° | 30° |
| Swingarm | - | Mild steel, tubular sections, stamped x-member, forged axle junctions, MIG welded, removable belt spacer |
| Trail | 120 mm / 4.7 in | 104 mm / 4.1 in |
| Wheel Travel - Front | - | 130 mm / 5.1 in |
| Wheel Travel - Rear | - | 86 mm / 3.4 in |
| Wheels & Brakes |
| Brakes - Front | Single 300mm disc 4 piston caliper | 2 x 300mm discs, 4 piston fixed caliper |
| Brakes - Rear | Single 292mm disc 2 piston caliper | Single 292mm disc, 2 piston floating caliper |
| ABS | - | Standard |
| Tyres - Front | 100/90-19 57H | 160/60R18,70V,BW |
| Tyres - Rear | 160/70-17 73V | 240/40R18,79V,BW |
| Wheels | - | Machined, Lakester cast aluminum |
| Wheels - Front | - | 18 x 4,5 in |
| Wheels - Rear | - | 18 x 8.0 in |