Fire and Rescue Axles
Drivetrain Components that Answer the Call.
No industry demands more of its equipment than fire and rescue. Heavy Duty Transaxle has the axles and components specifically designed to maximize the success of these missions. Our fire and rescue components are made to handle the speed requirements, stop-and-go, hard braking and road conditions unique to the application.
We stock a full line of axles and differentials designed to support fire and rescue operations. Representative models are below; contact us for more information.
Front Non-Drive Steer Axles
| Ratings* | Axle model | Axle beam drop | King pin intersection (KPI) | Wheel-end series |
|---|---|---|---|---|
| 16,000 lbs (7,264 kg) | MFS-16-143A-N | 3.74 in (95 mm) | 71.5 in (1,816 mm) | FL |
| 18,000 lbs (8,165 kg) | MFS-18-133A-N | 3.74 in (95 mm) | 71 in (1,803 mm) | FL |
| 20,000 lbs (9,080 kg) | FL-941 | 3.5 in (89 mm) | 68.5 in (1,740 mm) | FL |
| FL-943 | 5 in (127 mm) | 68.8 in (1,748 mm) | FL | |
| MFS-20-133A-N* | 3.74 in (95 mm) | 71 in (1,803 mm) | FL |
Rear Hypoid Single-Reduction Axles
| Ratings* | Axle model | Standard ratios | Ring gear size (pitch diameter) | Axle shaft spline size | Axle shaft diameter | Housing box size | Wall thickness at spring seat | Wheel-end series |
|---|---|---|---|---|---|---|---|---|
| 23,000 lbs (10,433 kg) |
RS-23-160 | 2.50, 2.67, 2.80, 2.93, 3.07, 3.21, 3.42, 3.58, 3.73, 3.91, 4.10, 4.30, 4.56, 4.89, 5.38, 5.63, 6.14, 6.43, 6.83, 7.17 |
18 in (457 mm) |
2.35 in (60 mm) 46 Teeth |
2.25 in (57 mm) |
5.28 in x 4.61 in (134 mm x 117 mm) |
Standard track 0.5 in (13 mm) 0.63 in (16 mm) Wide track 0.63 in (16 mm) |
R |
| RS-23-186 | 4.30, 4.56, 4.89, 5.13, 5.38, 5.63, 5.86, 6.14, 6.83, 7.17, 7.83 |
19.62 in (498 mm) |
2.35 in (60 mm) 46 Teeth |
2.25 in (57 mm) |
5.28 in x 4.61 in (134 mm x 117 mm) |
0.5 in (13 mm) | R | |
| 25,000 lbs (11,350 kg) |
RS-25-160 | 2.50, 2.67, 2.80, 2.93, 3.07, 3.21, 3.42, 3.58, 3.73, 3.91, 4.10, 4.30, 4.56, 4.89, 5.38, 5.63, 6.14, 6.43, 6.83 |
18 in (457 mm) |
2.35 in (60 mm) 46 Teeth |
2.25 in (57 mm) |
5.28 in x 4.61 in (134 mm x 117 mm) |
0.63 in (16 mm) | R |
| 26,000 lbs (11,793 kg) |
RS-26-185 | 4.30, 4.56, 4.89, 5.13, 5.38, 5.63, 5.86, 6.14, 6.83, 7.17, 7.83 |
19.62 in (498 mm) |
2.35 in (60 mm) 46 Teeth |
2.25 in (57 mm) |
5.5 in x 5.5 in (140 mm x 140 mm) |
0.56 in (14 mm) | T |
| 30,000 lbs (13,620 kg) |
RS-30-185 | 3.42, 3.58, 3.73, 3.91, 4.10, 4.30, 4.56, 4.89, 5.13, 5.38, 5.63, 5.86, 6.14, 6.83, 7.17 |
19.62 in (498 mm) |
2.35 in (60 mm) 46 Teeth |
2.25 in (57 mm) |
5.5 in x 5.5 in (140 mm x 140 mm) |
0.56 in (14 mm) | U |
| 35,000 lbs (15,876 kg) |
RS-35-185 | 3.42, 3.58, 3.73, 4.30, 4.56, 4.89, 5.13, 5.38, 5.63, 5.86, 6.14 |
19.62 in (498 mm) |
2.35 in (60 mm) 46 Teeth |
2.25 in (57 mm) |
5.5 in x 5.5 in (140 mm x 140 mm) |
0.56 in (14 mm) | U |
Tandem Rear Axles
| Ratings* | Axle model | Standard ratios | Ring gear size (pitch diameter) | Axle shaft spline size | Axle shaft diameter | Housing box size | Wall thickness at spring seat | Wheel-end series |
|---|---|---|---|---|---|---|---|---|
| 40,000 lbs (18,160 kg) |
MT-40-14X/P | 2.64, 3.08, 3.25, 3.36, 3.42, 3.55, 3.70, 3.90, 4.11, 4.33, 4.63, 4.88, 5.29, 5.86, 6.14, 6.43, 6.83, 7.17 |
15.31 in (389 mm) |
2.1 in (53 mm) 41 teeth |
1.88 in (48 mm) 2 in (51 mm) |
5.28 in x 4.61 in (134 mm x 117 mm) |
Standard/DualTrac 0.37 in (9.5 mm) 0.43 in (11 mm) 0.5 in (13 mm) Wide track 0.56 in (14.3 mm) |
R |
| RT-40-145A | 2.64, 2.79, 2.93, 3.07, 3.21, 3.42, 3.58, 3.73, 3.90, 4.11, 4.33, 4.63, 4.88, 5.29, 5.86, 6.14, 6.43, 6.83, 7.17 |
15.31 in (389 mm) |
2.1 in (53.3 mm) 41 teeth |
1.88 in (48 mm) 2 in (51 mm) |
5.28 in x 4.61 in (134 mm x 117 mm) |
Standard/DualTrac 0.37 in (9.5 mm) 0.43 in (11 mm) Wide track 0.56 in (14.3 mm) |
R | |
| RT-40-160 | 3.42, 3.58, 3.73, 3.91, 4.10, 4.30, 4.56, 4.89, 5.38, 5.63, 6.14, 6.43 |
18 in (457 mm) |
2.35 in (60 mm) 46 Teeth |
2.25 in (57 mm) |
5.28 in x 4.61 in (134 mm x 117 mm) |
0.43 in (11 mm) Wide track only 0.63 in (16 mm) |
R | |
| RT-40-160P | 3.42, 3.58, 3.73, 3.91, 4.10, 4.30, 4.56, 4.89, 5.38, 5.63, 6.14, 6.43 |
18 in (457 mm) |
2.35 in (60 mm) 46 Teeth |
2.25 in (57 mm) |
5.28 in x 4.61 in (134 mm x 117 mm) |
0.43 in (11 mm) Wide track only 0.63 in (16 mm) |
R | |
| 44,000 lbs (19,976 kg) |
MT-44-14X/P | 3.70, 3.90, 4.11, 4.13, 4.63, 4.88, 5.29, 5.86 Available on hypoid ratios only |
15.31 in (393 mm) |
2.1 in (53.3 mm) 41 Teeth |
2 in (51 mm) |
5.28 in x 4.61 in (134 mm x 117 mm) |
Standard track 0.5 in (13 mm) Wide track 0.56 in (14 mm) |
R |
| 46,000 lbs (20,884 kg) |
RT-46-160P | 3.42, 3.58, 3.73, 3.91, 4.10, 4.30, 4.56, 4.89, 5.38, 5.63, 6.14, 6.43, 6.83, 7.17 |
18 in (457.2 mm) |
2.35 in 46 Teeth |
2.25 in (57 mm) |
5.28 in x 4.61 in (134 mm x 117 mm) |
Standard track 0.5 in (13 mm) 0.63 in (16 mm) Wide track 0.63 in (16 mm) |
R |
| 50,000 lbs (22,700 kgs) |
RT-50-160 | 3.42, 3.58, 3.73, 3.91, 4.10, 4.30, 4.56, 4.89, 5.38, 5.63, 6.14, 6.43 |
18 in (457.2 mm) |
2.35 in (60 mm) 46 Teeth |
2.25 in (57 mm) |
5.28 in x 4.61 in (134 mm x 117 mm) |
0.63 in (16 mm) | R |
| 52,000 lbs (23,608 kg) |
RT-52-185 | 4.30, 4.56, 4.89, 5.38, 6.14, 6.83, 7.17 |
19.62 in (498 mm) |
2.35 in (60 mm) 46 Teeth |
2.25 in (57 mm) |
5.5 in x 5.5 in (140 mm x 140 mm) |
0.56 in (14 mm) | T |
| 58,000 lbs (26,332 kg) |
RT-58-185 | 3.73, 4.10, 4.30, 4.56, 4.89, 5.38, 6.14, 6.83, 7.17 |
19.62 in (498 mm) |
2.35 in (60 mm) 46 Teeth |
2.25 in (57 mm) |
5.5 in x 5.5 in (140 mm x 140 mm) |
0.56 in (14 mm) | U |