FOR YOUR
HEAVY DUTY
PLAYGROUNDS
BOGIE AXLES
MADE IN GERMANY
NAFAXLES.COM
With modular thinking, modular processes
and modular product configurations, we
already provide answers today for the
functional, economic and logistic
challenges of tomorrow.
MODULAR-MINDED AXLES
3
2
1
6
4
5
6 SUCCESS FACTORS FOR YOUR
AUTOMOTIVE CONCEPT OF THE FUTURE:
MODULAR AXLE DESIGN
Proven modular system for
complete drive trains – comprising
tried-and-tested components.
MODULAR CUSTOMISATION
Highly specific, quick and
economical customer solutions –
with modular development and
implementation.
MODULAR INNOVATION
All new developments in our
customer’s needs is directly
integrated into the modular
system.
MODULAR PRODUCTION
Fluid, customised fabrication based
on the modular building block and
modular procurement concept.
MODULAR REPAIR & MAINTENANCE
Easy repair and spare parts
system – by replacing modules,
lifetime costs and downtimes
are minimised.
MODULAR SPIRIT
Corporate culture continually
strives to introduce customer-
specific competitive advantages.
2 3
FOR YOUR
HEAVY DUTY
PLAYGROUNDS
PLANETARY BOGIE AXLE
WITH OFFSET
PLANETARY PORTAL
BOGIE AXLE
PORTAL BOGIE AXLE PLANETARY BOGIE AXLE
BOGIE AXLES FAMILY
NAF’S MODULAR BOGIE AXLES COVERING THE WIDEST RANGE IN
OFFROAD APPLICATIONS WITH PROVEN RELIABLE DESIGN FOR 40 YEARS.
45
1
2
3
6
45
7
5.2
5.4 7
5.3
3
2
5.1 6
4
1
TECHNICAL HIGHLIGHTS
IMPRESSIVE IN EVERY DETAIL. WE OFFER TECHNICALLY MATURE
DRIVE SOLUTIONS FOR ANY FUNCTIONAL REQUIREMENT.
GEARED BOGIE
PERMANENT BOGIE
BALANCING SYSTEM – PBBS®
DIFFERENTIAL LOCKS
NOSPIN®
DIFFERENTIAL LOCKS
DOG CLUTCH
PORTAL STAGE FOR
MAXIMUM GROUND CLEARANCE
DIFFERENTIAL LOCKS
LIMITED SLIP
PATENTED SELF-COOLED
TURBO BRAKE
DIFFERENTIAL LOCKS
MDDL
BRAKE SYSTEM
BESIDE DIFFERENTIAL
CAST DESIGN
6 7
TYPE TAP 54 TAP 55 TAP 75 TAP 76 TAP 77 TAP 87
Ratio 16.80 - 21.23 15.43 - 22.36 14.75 - 30.35 17.33 - 28.72 17.29 - 27.69 22.24 - 29.08
Static axle load
up to [kN] 200 220 290 360 380 380
Dynamic axle load [kN] 100 - 140 150 - 170 160 - 220 255 - 300 255 - 300 300
Max. speed [kph] 40 40 40 40 40 30
Tyre sizes 22.5" 22.5" / 24.5" 25" / 26.5" 25" / 26.5" / 28.5" / 32" 25" / 26.5" / 28.5" / 32" 28.5" / 32"
Parking brake design Inboard on dierential Inboard on dierential Inboard on dierential Inboard on dierential Inboard on dierential Inboard on dierential
Service brake design Inboard on dierential Inboard on dierential Inboard on dierential /
Planetary turbobrake
Inboard on dierential /
Planetary turbobrake
Inboard on dierential /
Planetary turbobrake
Inboard on dierential /
Planetary turbobrake
Input torque [Nm] Max. 3500 Max. 4500 Max. 5600 Max. 6000 Max. 7500 Max. 7500
Input RPM Max. 3400 Max. 3400 Max. 2800 Max. 3000 Max. 3000 Max. 3000
Axle width [mm] 1890 - 2335 2118 - 2378 2081 - 2798 2508 - 2884 2758 - 2862 2922 - 2966
Flange-to-flange [mm] 1450 - 1869 1860 - 2120 1860 - 2372 2130 - 2458 2380 - 2460 2468
Inner width [mm] 600 - 780 690 - 900 920 - 1030 810 - 1050 1030 - 1060 1030 - 1060
Bolt circle [mm] 335 335 425 425 425 500
Wheel base [mm] 1300 1400 - 1500 1500 1690 - 1890 1690 - 1890 1690 - 1890
Bogie oset [mm] 200 150 / 175 150 200 200 200
Drive flange DIN / MECHANICS / SPICER / in dierent sizes
Driven by Flange / directly attached gearbox / hydrostatic or hydrodynamic driveline
Dierential locks MDDL / NoSpin® / dog clutch / limited slip
PLANETARY BOGIE AXLE
WITH OFFSET
Wheel base
Wheel base
Bolt circle
Bogie
oset Inner
width
Flange to
flange
Axle
width
PLANETARY BOGIE AXLE
WITH OFFSET
Product features:
> The TAP axle with oset is
especially designed for forestry
and oroad applications
> It can be regarded as our longstanding
standard solution which is highly
appreciated on the market
> Despite the elevation it is a compact
and lightweight product
Abb. TAP 54
98 NAFAXLES.COM NAFAXLES.COM
TYPE PTA 44 PTA 54 PTA 55 PTA 56
Ratio 19.5 - 20.30 19.5 - 20.30 14.59 - 29.38 22.14 - 25.82
Static axle load
up to [kN] 180 180 280 360
Dynamic axle load [kN] 120 120 170 - 220 230 - 255
Max. speed [kph] 30 30 30 30
Tyre sizes 22.5" 22.5" 24.5" / 25" / 26.5" 25" / 26.5"
Parking brake design Inboard on dierential Inboard on dierential Inboard on dierential Inboard on dierential
Service brake design Inboard on dierential Inboard on dierential Inboard on dierential Inboard on dierential
Input torque [Nm] Max. 3500 Max. 3500 Max. 5200 Max. 6800
Input RPM Max. 2800 Max. 2800 Max. 2800 Max. 2800
Axle width [mm] 1873 - 2047 1873 - 2047 2094 - 2500 2480 - 2640
Flange-to-flange [mm] 1779 - 1953 1779 - 1953 2000 - 2406 2390 - 2550
Inner width [mm] 739 - 940 739 - 940 638 - 952 960 - 1070
Bolt circle [mm] 275 335 335 335
Wheel base [mm] 1300 1300 1400 - 1520 1500 - 1640
Bogie oset [mm] 200 200 150 / 175 / 200 200
Drive flange DIN / MECHANICS / SPICER / in dierent sizes
Driven by Flange / directly attached gearbox / hydrostatic or hydrodynamic driveline
Dierential locks MDDL / NoSpin® / dog clutch / limited slip
PORTAL BOGIE AXLE
Bolt circle
Bogie
oset
Wheel base
Inner
width
Flange to
flange
Axle
width
Wheel base
PORTAL BOGIE AXLE
Product features:
> The PTA axle product range was especially designed
for forestry and oroad applications which require a very
high spread of ratio possibilities
> The axles are designed with a portal housing for
optimised ground clearance
> Moreover, all PTA models can be equipped with the
patented “Permanent Bogie Balancing System“ (PBBS®)
> PBBS® increases the tractive eort by counteracting
the bogie lifting eect
Abb. PTA 44
10 11
NAFAXLES.COM NAFAXLES.COM
PLANETARY PORTAL
BOGIE AXLE
TYPE PTA 75 PTA 76 PTA 77 PTA 87
Ratio 17.17 - 32.53 22.21 - 36.70 21.24 - 35.87 27.44 - 35.68
Static axle load
up to [kN] 290 360 360 360
Dynamic axle load [kN] 220 - 240 200 - 290 300 280 - 300
Max. speed [kph] 30 25 27 25
Tyre sizes 26.5" 26,5" / 28.5" / 30.5" 26,5" / 28.5" / 30.5" 28,5" / 30,5" /32"
Parking brake design Inboard on dierential Inboard on dierential Inboard on dierential Inboard on dierential
Service brake design Inboard on dierential Inboard on dierential Inboard on dierential Inboard on dierential
Input torque [Nm] Max. 5200 Max. 6000 Max. 7000 Max. 7000
Input RPM Max. 2800 Max. 2800 Max. 2600 Max. 2700
Axle width [mm] 2900 - 3160 2560 - 2896 2852 2964 - 3016
Flange-to-flange [mm] 2266 - 2300 2304 - 2450 2450 2510 - 2518
Inner width [mm] 958 - 1032 1022 - 1070 1070 1070 - 1082
Bolt circle [mm] 425 425 425 500
Wheel base [mm] 1500 - 1520 1520 - 1640 1720 - 1640 1640 - 1980
Bogie oset [mm] 150 / 200 200 200 / 230 200
Drive flange DIN / MECHANICS / SPICER / in dierent sizes
Driven by Flange / directly attached gearbox / hydrostatic or hydrodynamic driveline
Dierential locks MDDL / NoSpin® / dog clutch / limited slip
Bolt circle
Bogie
oset
Inner
width
Wheel base
Flange to
flange
Axle
width
Wheel base
PLANETARY PORTAL BOGIE AXLE
Product features:
> The PTA axle product range was especially designed
for forestry and oroad applications which require
a very high spread of ratio possibilities
> The axles are designed with a portal housing
for optimised ground clearance
> Additionally equipped with a planetary drive on
the wheel ends, these axles provide deeper ratio
and higher torque than standard bogie axles
> Moreover, all PTA models can be equipped with the
patented “Permanent Bogie Balancing System“ (PBBS®)
> PBBS® increases the tractive eort by counteracting
the boogie lifting eect
Abb. PTA 87
12 13
NAFAXLES.COM NAFAXLES.COM
TYPE TAP 55 TAP 75 TAP 76 TAP 77 TAP 78 TAP 87 TAP 89
Ratio 16.73 - 21.07 18.53 - 24.1 17.48- 23.01 19.623 - 20.1 19.74 21.8 19.38 - 21.8
Static axle load
up to [kN] 220 260 360 420 420 460 510
Dynamic axle load [kN] 110 130 255 345 345 464 484
Max. speed [kph] 45 45 50 55 55 60 58
Tyre sizes 24" / 25" 24" / 25" 24" / 25" / 30.5" 25" / 30" 25" / 30" 25" / 30" 25" / 29"
Parking brake design Inboard on dierential Inboard on dierential Inboard on dierential Available on request Available on request Available on request Available on request
Service brake design Inboard on dierential
Planetary brake
Inboard on dierential
Planetary brake
Inboard on dierential
Planetary turbobrake
Inboard on dierential
Planetary turbobrake
Inboard on dierential
Planetary turbobrake
Inboard on dierential
Planetary turbobrake
Inboard on dierential
Planetary turbobrake
Input torque [Nm] Max. 3900 Max. 4500 Max. 5300 Max. 5700 Max. 7500 Max. 9000 Max. 12200
Input RPM Max. 3500 Max. 3500 Max. 3900 Max. 3900 Max. 3900 Max. 3500 Max. 3300
Axle width [mm] 2342 - 2420 2402 2420 - 2756 2668 - 2908 2892 3132 3176 - 3368
Flange-to-flange [mm] 1920 - 1980 2024 2042 - 2330 2250 - 2490 2490 2678 2678 - 2870
Inner width [mm] 1180 1180 1056 - 1198 860 1340 1416 1136 - 1406
Bolt circle [mm] 335 425 425 425 425 500 500
Wheel base [mm] 1540 1540 1540 - 1632 1771 1771 1960 1960
Drive flange DIN / MECHANICS / SPICER / in dierent sizes
Driven by Flange / directly attached gearbox / hydrostatic or hydrodynamic driveline
Dierential locks MDDL / NoSpin® / dog clutch / limited slip
PLANETARY BOGIE AXLE
Wheel base
Wheel base
Bolt circle Inner
width
Flange to
flange
Axle
width
PLANETARY BOGIE AXLES
Product features:
> The TAP axles without bogie oset is
especially designed for the use in construction
machinery
> It can be regarded as our longstanding
standard solution which is highly
appreciated on the market
Abb. TAP 89
14 15
NAFAXLES.COM NAFAXLES.COM
FOR YOUR
HEAVY DUTY
PLAYGROUNDS
As the leading market manufacturer of drive trains for self-propelled
forestry machines, NAF has been tackling a wide variety of the
most extreme deployment conditions for many decades. The
modular system, which has evolved from this set of requirements,
covers the individual assignments that need to be met by heavy-duty
vehicle manufacturers across many dierent sectors. With this
passion, which made us the market leader for drives in forestry
machines, we create your individual drive solutions.
16 17
NAF’s drive solutions are modelled for their special use
and application. Our modular designs and the experience
from more than 581 projects are the basis to satisfy your
requirements in the most ecient way. We are pleased to
present our comprehensive product portfolio!
RIGID AXLES TRACTION CONTROL
DIFFERENTIAL GEAR
PLANETARY DRIVE
AXLE HOUSING
BRAKE SYSTEM
GEARBOXES
GEARBOX
BRAKE SYSTEM
TRACTION CONTROL
STEERING AXLES
AXLE HOUSING
TRACTION CONTROL
PLANETARY DRIVE
BRAKE SYSTEM
DIFFERENTIAL GEAR
NAF AG is particularly proud of the awards given to us
by our
customers that honour our outstanding
achievments
and cooperative partnerships on all levels.
This is our benchmark for all customer relations.
FOR YOUR
HEAVY DUTY
PLAYGROUNDS
1918
NAF is the expert for power transmission, traction and load capacity on mobile working machines.
Our gears and axles create a substantial competitive advantage in the heavy-duty o-highway
industry. As a system partner we have been mastering the tasks of our market-leading customers
since 1960 and invest 5 % of our annual turnover into research and development.
As our customer you benefit directly from our passion for innovation that guarantees your success.
15
Patents and
protected innovations
35
Employees working in
R&D/PDP
46
Supplied countries worldwide
620
Employees in total
38.000
Components sold each year
35.000 m2
of production space in 17 halls
Headquarters and production
NAF Neunkirchener Achsenfabrik AG
Weyhausenstrasse 2
91077 Neunkirchen am Brand
Germany
T: +49 9134 702-0
F: +49 9134 702-640
info@nafaxles.com
For more information about our
branches in North America, France,
Germany (HQ), Russia & China visit:
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