Planetary Slewing Drive Planetary Gearbox

Superior Performance

The replacement of the NB700S slewing drive gearbox is specifically designed for pinion and slewing ring drives. Successfully employed on tower cranes, shipboard and harbor cranes, wind generators, and steering drives on ship propulsion systems, the planetary gear unit can be used in almost all applications where accurate positioning is required. These planetary slewing drives are suitable for the most demanding duties in any environment.

The design of the gearbox optimizes torque performance and radial load capacity in order to perfectly mesh the pinion and ring gear. For accurate adjustment, some versions have eccentric mounting between the pinion axis and the casing axis. Their wide range of ratios enables the selection of motor size and type which best suits the customer's requirements and application.

Key Features

1. Output torque range: 1000-180000 Nm

2. Gear ratios: i=3.3-3000

3. Support: slew support (with flange-mounted)

4. Output shaft: splined or with integral pinion; output shafts supported by heavy-duty capacity bearings

5. Applicable motors: axial piston hydraulic motors, hydraulic orbit motors, IEC electric motors

6. Hydraulic motor options: pressure relief valve, over-center valve, parking brake

7. Electric brake: DC and AC type

8. Hydraulic brake: hydraulically released parking brake

Planetary Slewing Drive Planetary GearboxPlanetary Slewing Drive Planetary Gearbox

NB705L2                                                      NB706L3 Pitch Drive                                                  NB709AL

Technical data and installation dimension of NB700L Series gearbox are the same as those of Bonfiglioli 700T Series

Type Max. torque (N.m) Range of ratios (i) Max. Input speed (rpm) Braking torque (N.m)
Excavator Crane
NB700L 1000 1200 3.38-32 3500 50-400
NB701L 1800 2400 3.38-32 3500 50-400
NB703AL 2500 3500 12-175 3500 50-400
NB705AL 5000 6500 12-175 3500 50-400
NB705L 5000 6500 12-175 3500 50-400
NB706AL 7700 12000 13-143 3500 50-1000
NB706L 7700 12000 13-143 3500 50-1000
NB707AL 10500 16500 13-256 3500 50-1000
NB707L 10500 16500 13-256 3500 50-1000
NB709AL 16000 26000 13-256 3500 50-1000
NB709L 16000 26000 13-256 3500 50-1000
NB711AL 32000 45000 14-223 2500 400-3200
NB711L 32000 45000 14-223 2500 400-3200
NB713L 40000 55000 50-276 2500 400-1000
NB715L3 70000 80000 54-242 2500 850-3200

NB700L Series gearboxes can be used interchangeably with the following models of Trasmital Bonfiglioli

700T1F 701T1F 703T2F 705T2F 705T2L 706T2N 707T2N
709T2N 710T2N 711T2C 711T2F 713T3N 715T3N

NB706S2                                                               NB706S2

Technical data and installation dimensions of NB700S Series gearbox are the same as those of Rexroth GFB Series

Type Max. torque (N.m ) Range of ratios (i) Max. Input speed (rpm) Braking torque (N.m)
Excavator Crane
NB706S 7700 10000 20-106 3500 400-1000
NB707S 10500 16500 25-134 3500 400-1000
NB709S 16000 26000 20-144 3500 400-1000
NB710S 18000 29000 36-52 3500 400-1000
NB710BS 23000 35000 110-176 3500 400-1000
NB710DS 27800 48500 32-181 3500 400-1000
NB714S 45000 68300 63-187 3000 600-2000
NB715S 65000 93300 63-212 3000 600-2000
NB716S 120000 - 63-1500 2500 600-2000
NB717S 180000 - 63-1500 2000 600-2000

Our planetary gearbox, wheel drive gearbox, winch drive gearbox, track drive gearboxcan be alternatives to Bosch Rexroth gearboxes

GFB50T3 GFB60T2 GFB60T3 GFB80T3 GFB110T3 GFB110T4

Note: Our planetary gearbox, wheel drive gearbox, winch drive gearbox, and track drive gearbox, are exactly the same with Bosch Rexroth in installation dimensions, and almost the same withBosch Rexroth in performance parameters.

edited by CX

Gear Reducers

World class gear manufacturing capabilities, quality material suppliers, and a state of the art quality process allows EPT to offer the highest level of precision, durability and endurance. The EPT Planetary Reducers are designed and built for advanced high speed low backlash applications. The EPT manufacturing processes allows us to offer exceptional shock load capacities and various mounting options.

Surface Treatment

Annealing, natural canonization, heat treatment, polishing, nickel plating, chrome plating, zinc plating,yellow passivization, gold passivization, satin, Black surface painted etc.

Processing Method

CNC machining, punch,turning, milling, drilling, grinding, broaching, welding and assembly

QC & Certificate

Technicians self-check in production,final-check before package by professional Quality inspector
ISO9001:2008 , ISO14001:2001,ISO/TS 16949:2009

Package & Lead Time

Size: Drawings
Wooden Case/Container and pallet, or as per customized specifications.
15-25days samples. 30-45days offcial order
Port: Shanghai/Ningbo port


Q: Are you trading company or manufacturer ?
A: Our group consists in 3 factories and 2 abroad sales corporations.

Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: How long is your delivery time ? What is your terms of payment ?
A: Generally it is 40-45 days. The time may vary depending on the product and the level of customization. For standard products, the payment is: 30% T/T in advance ,balance before shipment.

Q: What is the exact MOQ or price for your product ?
A: As an OEM company, we can provide and adapt our products to a wide range of needs.Thus, MOQ and price may greatly vary with size, material and further specifications; For instance, costly products or standard products will usually have a lower MOQ. Please contact us with all relevant details to get the most accurate quotation.