{"id":1073,"date":"2026-03-26T05:39:36","date_gmt":"2026-03-26T05:39:36","guid":{"rendered":"https:\/\/planetarygeardrive.top\/?post_type=product&p=1073"},"modified":"2026-03-26T05:52:35","modified_gmt":"2026-03-26T05:52:35","slug":"right-angle-planetary-gearbox","status":"publish","type":"product","link":"https:\/\/planetarygeardrive.top\/nl\/product\/right-angle-planetary-gearbox\/","title":{"rendered":"Right Angle Planetary Gearbox \u2014 NB300R Series Replacement, Up to 450,000 Nm"},"content":{"rendered":"

<\/p>\n

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Planetary Gearboxes \u00a0\u203a\u00a0 Right Angle Series \u00a0\u203a\u00a0 NB300R Replacement<\/p>\n

Right Angle Planetary Gearbox \u2014 NB300R Series Replacement, Up to 450,000 Nm<\/h2>\n
\u2713 1,000\u2013450,000 Nm<\/span>
\n\u2713 Ratios 6.9\u20139,000<\/span>
\n\u2713 100% Load-Tested<\/span>
\n\u2713 MOQ 1 Unit<\/span>
\n\u2713 ISO 9001:2015<\/span><\/div>\n<\/div>\n

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01<\/div>\n

What Is a Right Angle Planetary Gearbox \u2014 and What Does It Do?<\/h2>\n<\/div>\n

A right angle planetary gearbox combines a multi-stage planetary gear train with a spiral bevel gear set at the output stage, delivering torque at exactly 90\u00b0 to the input shaft. This is the defining characteristic of the NB300R series \u2014 where the application requires high torque in a compact envelope, but an inline (coaxial) shaft arrangement is geometrically impossible.<\/p>\n

This unit is a direct-fit replacement for the NBPG NB300R series right angle gear drive. It is designed for both fixed industrial equipment and heavy self-propelled machines operating under continuous high-torque loads. The spiral bevel input stage minimises noise and distributes load evenly across the tooth contact area \u2014 producing smoother, quieter running than straight-cut bevel alternatives at equivalent torque ratings.<\/p>\n

Where traditional parallel-shaft gearboxes fall short on space or shaft-angle flexibility, this right angle planetary gearbox provides a configurable, direct-mount solution with torque output up to 450,000 Nm and transmissible mechanical power up to 150 kW \u2014 in a housing smaller and lighter than conventional alternatives at the same rating.<\/p>\n

\"Right

Right Angle Planetary Gearbox<\/p><\/div>\n<\/div>\n

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02<\/div>\n

Product Specifications<\/h2>\n<\/div>\n

Dimensional drawings available on request before order. Cross-reference your existing NB300R unit’s nameplate data before specifying.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/th>\nValue \/ Details<\/th>\n<\/tr>\n<\/thead>\n
Output Torque Range<\/td>\n1,000 \u2013 450,000 Nm<\/td>\n<\/tr>\n
Max Transmissible Power<\/td>\nUp to 150 kW<\/td>\n<\/tr>\n
Gear Ratio Range<\/td>\n6.9 : 1 \u2013 9,000 : 1<\/td>\n<\/tr>\n
Gear Unit Version<\/td>\nRight angle \u2014 spiral bevel gear output stage<\/td>\n<\/tr>\n
Output Shaft Angle<\/td>\n90\u00b0 to input shaft<\/td>\n<\/tr>\n
Input Configurations<\/td>\nFlanged axial piston hydraulic motors \u00b7 Hydraulic orbit motors \u00b7 IEC motor adaptors \u00b7 NEMA motor adaptors \u00b7 Solid input shaft<\/td>\n<\/tr>\n
Series Reference<\/td>\nNBPG NB300R Series replacement (direct-fit equivalent)<\/td>\n<\/tr>\n
Application Type<\/td>\nFixed industrial equipment + heavy self-propelled machines<\/td>\n<\/tr>\n
Design Feature<\/td>\nModular \u2014 combines planetary stages with bevel output for configurable sizing<\/td>\n<\/tr>\n
Condition<\/td>\nNew<\/td>\n<\/tr>\n
Quality Test<\/td>\n100% no-load run-in + full-load bench test \u2014 signed report supplied<\/td>\n<\/tr>\n
Warranty<\/td>\n12 months from shipment date<\/td>\n<\/tr>\n
MOQ<\/td>\n1 unit \u2014 no minimum order quantity<\/td>\n<\/tr>\n
Shipping<\/td>\nSea \/ Air \/ DHL \u00b7 EXW, FOB, CFR, CIF \u00b7 Jiangmen Port, China<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

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03<\/div>\n

6 Reasons Engineers Specify This Right Angle Planetary Gearbox<\/h2>\n<\/div>\n

All claims are backed by specification data \u2014 no filler language.<\/p>\n

\n
\n
450K Nm<\/div>\n
Full Torque Range in One Series<\/div>\n

A single series spans 1,000 to 450,000 Nm output torque. One supplier, one specification language, one quality standard \u2014 regardless of whether you’re driving a greenhouse actuator or a heavy construction winch.<\/p>\n<\/div>\n

\n
9,000:1<\/div>\n
Wide Ratio Coverage<\/div>\n

Gear ratios from 6.9:1 to 9,000:1 cover everything from moderate speed reduction to very slow rotary positioning applications \u2014 without stacking multiple separate gearbox units.<\/p>\n<\/div>\n

\n
Spiral Bevel<\/div>\n
Quieter, Lower-Vibration Output<\/div>\n

The spiral bevel gear set at the 90\u00b0 output stage produces progressive tooth engagement rather than sudden contact \u2014 reducing noise and vibration versus straight-cut bevel designs at the same torque level.<\/p>\n<\/div>\n

\n
5 Inputs<\/div>\n
Broad Motor Compatibility<\/div>\n

Accepts flanged axial piston hydraulic motors, hydraulic orbit motors, IEC-frame electric motors (via adaptor), NEMA-frame motors, and solid input shaft drives \u2014 minimising redesign work when integrating into existing equipment.<\/p>\n<\/div>\n

\n
Modular<\/div>\n
Compact for the Torque Rating<\/div>\n

The modular planetary + bevel architecture delivers a smaller, lighter housing than conventional parallel-shaft gear drives at equivalent ratings. This reduces structural load on the mounting and simplifies integration into space-constrained machine designs.<\/p>\n<\/div>\n

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100%<\/div>\n
Load-Tested Before Shipment<\/div>\n

Every unit runs a mandatory no-load run-in followed by a full rated-torque bench test. Signed test report shipped with every unit. No test passed = no dispatch.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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04<\/div>\n

Compatible Machine Models \u2014 130+ Excavators and Mobile Equipment<\/h2>\n<\/div>\n

As a right angle gear drive replacement, this gearbox is used across a wide range of heavy equipment platforms. The table below shows the full compatible excavator model range by weight class. For non-excavator industrial applications, contact us with your existing NB300R nameplate data for a direct specification match.<\/p>\n

37<\/strong> below 10t<\/span>
\n20<\/strong> 10\u201320t<\/span>
\n35<\/strong> 20\u201330t<\/span>
\n21<\/strong> 30\u201340t<\/span>
\n7<\/strong> 40\u201350t<\/span>
\n2<\/strong> 50t+<\/span><\/div>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Below 10t<\/th>\n10t Up<\/th>\n20t Up<\/th>\n30t Up<\/th>\n40t Up<\/th>\n50t Up<\/th>\n<\/tr>\n<\/thead>\n
E307B<\/td>\nE315<\/td>\nDH220-5<\/td>\nE330<\/td>\nDH420-7<\/td>\nDH500-7<\/td>\n<\/tr>\n
E70B-7<\/td>\nEX120-5<\/td>\nDH225-7<\/td>\nE330C<\/td>\nCE420-6<\/td>\nEC700<\/td>\n<\/tr>\n
EX60-2<\/td>\nZX120<\/td>\nDH225-9<\/td>\nE330D<\/td>\nEC460<\/td>\n\u2014<\/td>\n<\/tr>\n
EX60-5<\/td>\nE200B<\/td>\nDH370-7<\/td>\nE336D<\/td>\nEC460B<\/td>\n\u2014<\/td>\n<\/tr>\n
ZX60<\/td>\nSK135<\/td>\nE320C<\/td>\nPC300-7<\/td>\nPC400-6<\/td>\n\u2014<\/td>\n<\/tr>\n
ZX70<\/td>\nPC120-6<\/td>\nE320D<\/td>\nPC360-7<\/td>\nPC400-7<\/td>\n\u2014<\/td>\n<\/tr>\n
ZX75<\/td>\nPC160-7<\/td>\nE318C<\/td>\nPC300-8<\/td>\nPC450-7<\/td>\n\u2014<\/td>\n<\/tr>\n
ZX80 \/ ZX85<\/td>\nTB135 \/ R130<\/td>\nEC210 \/ EC240<\/td>\nPC300-8MO<\/td>\n\u2014<\/td>\n\u2014<\/td>\n<\/tr>\n
PC40-7 \/ PC56<\/td>\nDH150-7 \/ DH258<\/td>\nEC240B \/ EC290<\/td>\nSK330-8 \/ SK350-8<\/td>\n\u2014<\/td>\n\u2014<\/td>\n<\/tr>\n
PC60-6 \/ PC60-7<\/td>\nHD400-5-7 \/ SH120<\/td>\nEC290BLC \/ HD700-7<\/td>\nEC350 \/ EC360B<\/td>\n\u2014<\/td>\n\u2014<\/td>\n<\/tr>\n
SK55 \/ SK60-5\/6\/8<\/td>\nSH280 \/ CX130<\/td>\nJS200 \/ PC200-6<\/td>\nEC380 \/ R300<\/td>\n\u2014<\/td>\n\u2014<\/td>\n<\/tr>\n
SK70 \/ SK75UR<\/td>\nXE150 \/ FR150\/170<\/td>\nPC200-7 \/ PC200-8<\/td>\nR375-7 \/ DH300-7<\/td>\n\u2014<\/td>\n\u2014<\/td>\n<\/tr>\n
EC55 \/ SOLAR 55-V \/ DH55\u2013DH80 \/ SWE35\u2013SWE70 \/ YC35 \/ YC60-7 \/ YC65-2 \/ YC85<\/td>\nSY135 \/ LG915<\/td>\nPC220-7 \/ R210-7 \/ CX210 \/ SH200 \/ SK200-5-6\/8 \/ S265FA \/ LG200 \/ LG210 \/ LG225 \/ LG230 \/ LG240 \/ LG925 \/ XE240<\/td>\nDX380 \/ HD1250 \/ SH350-5 \/ CASE360 \/ LG936<\/td>\n\u2014<\/td>\n\u2014<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Not sure if your model is covered? Send the nameplate data or machine serial prefix \u2014 we’ll confirm fit within 4 business hours at no charge.<\/p>\n<\/div>\n

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05<\/div>\n

Application Scenarios<\/h2>\n<\/div>\n

The right angle planetary gearbox NB300R series fits where torque demand is high, envelope is tight, and the output shaft must be perpendicular to the drive motor.<\/p>\n

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\ud83c\udfd7 Construction Equipment<\/div>\n

Wheel drives, winch drums, and slewing drives on cranes, concrete pumps, and tracked pavers. The 90\u00b0 output allows the motor to be positioned clear of structural members while driving the working component.<\/p>\n<\/div>\n

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\ud83c\udf3e Agricultural Machinery<\/div>\n

PTO-driven implements, feed auger drives, and harvesting head drives where a right angle output is required to transmit power from a tractor hydraulic motor to a horizontal working shaft.<\/p>\n<\/div>\n

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\u2699\ufe0f Industrial Machinery<\/div>\n

Conveyor corner drives, mixer head drives, and rotary table drives in manufacturing and processing plants. The compact planetary-bevel architecture reduces floor space and simplifies machine design.<\/p>\n<\/div>\n

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\u26cf Mining & Energy<\/div>\n

Chain conveyor drives, crusher feed screws, and drill rig rotation drives. High torque output up to 450,000 Nm handles the extreme load demands of continuous mining operations.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

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06<\/div>\n

Frequently Asked Questions<\/h2>\n<\/div>\n
\n
\nWhat is the difference between a right angle planetary gearbox and a standard inline planetary gearbox?
\n\uff0b<\/span><\/summary>\n
An inline planetary gearbox<\/strong> delivers output torque on the same axis as the input \u2014 coaxial design. A right angle planetary gearbox<\/strong> adds a spiral bevel stage that redirects output torque at exactly 90\u00b0. Use right angle when your machine layout requires the output shaft to be perpendicular to the motor. Torque ratings and efficiency are comparable; the bevel stage adds a small efficiency loss (typically 2\u20133%).<\/div>\n<\/details>\n
\nIs this a direct replacement for the NBPG NB300R series right angle gear drive?
\n\uff0b<\/span><\/summary>\n
Yes \u2014 this unit is manufactured as a direct-fit replacement for the NBPG NB300R series. All critical dimensions \u2014 mounting flange, output shaft, input interface, and housing bolt pattern \u2014 are matched to the NB300R specification. Send your existing unit’s nameplate data (frame size, ratio, input configuration) and we’ll confirm the exact replacement specification before you order.<\/div>\n<\/details>\n
\nWhat gear ratios are available for the right angle planetary gearbox NB300R replacement?
\n\uff0b<\/span><\/summary>\n
The ratio range is 6.9:1 to 9,000:1<\/strong>. Standard ratios are available from stock in common sizes; non-standard ratios within the production range are available to order with 10\u201335 days lead time. Specify your required output RPM and motor input speed when enquiring and we’ll confirm the nearest standard ratio and whether a custom ratio is required.<\/div>\n<\/details>\n
\nCan this right angle gearbox accept both hydraulic motor and electric motor inputs?
\n\uff0b<\/span><\/summary>\n
Yes \u2014 five input configurations are available: flanged axial piston hydraulic motors, hydraulic orbit motors, IEC-frame electric motors (via adaptor), NEMA-frame electric motors, and solid input shaft. Specify your motor type, flange size (SAE A\/B\/C for hydraulic; IEC 80\u2013315 frame for electric), and shaft diameter when requesting a quotation to ensure the correct input adaptor is supplied.<\/div>\n<\/details>\n
\nWhat is the lead time and shipping options for international buyers sourcing a right angle planetary gearbox?
\n\uff0b<\/span><\/summary>\n
In-stock standard units: 4\u20137 business days processing. Custom ratio or non-standard configuration: 10\u201335 days. Shipping options: sea freight (18\u201335 days to Canada, Australia, Europe), air freight (5\u20138 days), express carrier DHL\/FedEx (3\u20135 days). Trade terms: EXW, FOB, CFR, CIF from Jiangmen, China. Full export documentation \u2014 commercial invoice, packing list, CO \u2014 included.<\/div>\n<\/details>\n<\/div>\n<\/div>\n

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07<\/div>\n

Customer Reviews<\/h2>\n<\/div>\n
\n
\u2605\u2605\u2605\u2605\u2605<\/div>\n

“We replaced a failed NB300R unit on our concrete mixer drive. The new gearbox bolted straight on \u2014 same flange pattern, same shaft diameter, no adaptor work. We confirmed the ratio before ordering and it matched exactly. Machine back running in under 5 hours from arrival. Test report was already in the box. No chasing documents.”<\/p>\n

M. Flanagan \ud83c\udde6\ud83c\uddfa \u00a0\u00b7\u00a0 Maintenance Engineer \u00b7 Concrete Products Manufacturer, Victoria, Australia<\/span><\/div>\n
\u2713 Verified Purchase<\/div>\n<\/div>\n
\n
\u2605\u2605\u2605\u2605\u2605<\/div>\n

“I’ll be honest \u2014 when the quote came back 45% cheaper than the OEM list price, I assumed something was ‘right angle’ about the quality too. It was not. The gearbox arrived with an actual load test report, fit perfectly on our crawler conveyor drive, and has now run 1,400 hours without a single issue. I now order three at a time to keep as stock.”<\/p>\n

T. Briggs \ud83c\uddfa\ud83c\uddf8 \u00a0\u00b7\u00a0 Equipment Manager \u00b7 Aggregate Processing Plant, Tennessee, USA<\/span><\/div>\n
\u2713 Verified Purchase<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

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Get a Quote for the NB300R Right Angle Planetary Gearbox \u2014 24h Response<\/h2>\n

Send your existing NB300R nameplate data (frame size, ratio, input type) or your specification requirements (output torque, ratio, motor interface). We’ll return a confirmed price, lead time, and shipping options within 24 business hours<\/span><\/span><\/strong><\/a>. MOQ 1 unit. Ships to Canada, Australia, USA, Europe and 50+ countries.<\/p>\n

\n
\n
24h<\/div>\n
Quote Response<\/div>\n<\/div>\n
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450K<\/div>\n
Nm Max Output<\/div>\n<\/div>\n
\n
MOQ 1<\/div>\n
Min. Order Qty<\/div>\n<\/div>\n
\n
100%<\/div>\n
Load-Tested<\/div>\n<\/div>\n<\/div>\n
\u2713 NB300R Series Direct Replacement<\/span>
\n\u2713 5 Input Configurations Available<\/span>
\n\u2713 Sea \/ Air \/ DHL \u00b7 EXW FOB CIF<\/span>
\n\u2713 12-Month Warranty \u00b7 ISO 9001:2015<\/span><\/div>\n

\ud83d\udce7 sales@planetarygeardrive.top \u00a0|\u00a0 Port: Jiangmen, China \u00a0|\u00a0 T\/T \u00b7 Western Union \u00b7 Escrow<\/p>\n<\/div>\n

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Right angle planetary gearbox NB300R replacement with torque up to 450,000 Nm. Ratios 6.9\u20139,000. Fits hydraulic & IEC motors. MOQ 1, 24h quote.<\/p>","protected":false},"featured_media":1070,"template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[2105],"product_tag":[],"class_list":{"0":"post-1073","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-right-angle-planetary-gearbox","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/planetarygeardrive.top\/nl\/wp-json\/wp\/v2\/product\/1073","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/planetarygeardrive.top\/nl\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/planetarygeardrive.top\/nl\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/planetarygeardrive.top\/nl\/wp-json\/wp\/v2\/media\/1070"}],"wp:attachment":[{"href":"https:\/\/planetarygeardrive.top\/nl\/wp-json\/wp\/v2\/media?parent=1073"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/planetarygeardrive.top\/nl\/wp-json\/wp\/v2\/product_brand?post=1073"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/planetarygeardrive.top\/nl\/wp-json\/wp\/v2\/product_cat?post=1073"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/planetarygeardrive.top\/nl\/wp-json\/wp\/v2\/product_tag?post=1073"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}