42mm Planetary Gear Motor | Durable PMDC Motor for Industrial Applications

PMDC-Planetary Gear Motor 42mm

The 42ZY66 series is a compact, high-performance brushed DC gear motor designed for precision motion control applications that require reliability, smooth operation, and long service life.
It is rated for 12V, and combines a permanent-magnet brushed DC motor with a durable planetary gearbox, offering a wide range of reduction ratios from 3.5:1 to 504:1 and delivering up to 15 N·m of output torque.

Shaft configurations can be customized, carbon or metal brush types are selectable, and encoders are also available.

Dimensions

Motor Technical Parameters

Type	Rated voltage VDC	No-load speed r/min	No-load current mA	Rated speed r/min	Rated torque mN.m	Output Power W	Rated current mA	Stall torque mN.m	Stall current A
42ZY66-1257	12	5700	0.8	4800	45	25	3	280	15.2
42ZY66-1277	12	7700	1.3	6500	65	35	5	240	20.5

Gear Head Main Technical Parameters

42ZY66-1257 Technical Parameters

Reduction ratio	3.5	14	17	21	49	61	84	104	126	172	212	294	504
Number of gear trains	1	2	2	2	3	3	3	3	3	4	4	4	4
Length(L) mm	32.5	39.2	39.2	39.2	46	46	46	46	46	52.5	52.5	52.5	52.5
No-load speed r/min	1628	407	335	271	116	93	68	55	45	33	27	19	11
Rated speed r/min	1371	343	285	229	98	79	57	47	38	28	23	16	9.5
Rated torque N.m	0.14	0.51	0.61	0.76	1.6	2	2.8	3.4	4.1	5.1	6.3	8.7	15
Max. permissible load in a short time	3	12	12	12	25	25	25	25	25	30	30	30	30

42ZY66-1277 Technical Parameters

Reduction ratio	3.5	14	17	21	49	61	84	104	126	172	212	294
Number of gear trains	1	2	2	2	3	3	3	3	3	4	4	4
Length(L) mm	32.5	39.2	39.2	39.2	46	39.2	46	46	46	52.5	52.5	52.5
No-load speed r/min	2200	550	453	367	157	126	92	74	61	45	36	26
Rated speed r/min	1857	464	382	310	133	106	77	62	51	38	30	22
Rated torque N.m	0.21	0.74	0.89	1.1	2.3	2.8	4	4.9	6	8.2	9	14
Max. permissible load in a short time	3	12	12	12	25	25	25	25	25	30	30	30

Application in Different Scenarios

Customer Service

United Motion Inc.’s motion solution apply in diverse areas all around the world.

Our sales and engineering support teams are ready to assist you with any questions, including quotation, application support, and product configuration.

Please submit your requirements through our Custom Service Form to ensure a faster response. Or you can reach us at info@unitedmotioninc.com for general inquiries.

Tell Us About Your Application Requirements

United Motion Inc welcomes inquiries and challenges. If you find our standard products cannot meet your need, please feel free to contact us for customization. Our professional engineering and service team will quickly review your need and propose a solution if we can make it.

We look forward to communicating and collaborating with you!