Danfoss DTD-14.7-7.7 D-Track Two Speed Axial Piston Motor Owner’s Manual

: June 13, 2024
: Danfoss

Table of Contents

Danfoss DTD-14.7-7.7 D-Track Two Speed Axial Piston Motor
Product Information
Features
Product specifications
Product dimensions
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Danfoss DTD-14.7-7.7 D-Track Two Speed Axial Piston Motor

Danfoss-DTD-14-7-7-7-D-Track-Two-Speed-Axial-Piston-Motor-
PRO

Product Information

The D-Track Two-speed axial piston motor is a durable and powerful track drive motor designed for various applications, including excavators. It features a two-speed design with displacements ranging from 14 cm3 to 185 cm3 [0.9 in3 to 11.3 in3] and a continuous pressure rating of 365 bar [5,294 psi]. The motor has an integrated design with a reducer, parking brake, and multi-functioning valves, providing high efficiency with smooth acceleration and deceleration. Customizable features include the shockless relief valve, counter-balance valve, anti-cavitation valve, and auto-two-speed function.

Features

Two-speed axial piston motor, reducer integrated (DTD14 is one speed)
Motor displacements from 14 cm3 to 185 cm3 [0.9 in3 to 11.3 in3]
Rated pressure 365 bar [5,294 psi], peak pressure 430 bar [6,237 psi]
Max flow 380 l/min [100 US gal/min]
Max output torque 74.4 KNm [54,875 lb-ft]
Integrated shockless relief valve, counter-balance valve, anti-cavitation valve, auto-2-speed function
Applicable for 1.5T to 40T excavators
Proven reliability, output over 50,000 units/year globally
Higher efficiency by optimized rotating parts designs
Better performance smooth starting and stopping with less shock and more precise positioning
Compact design and easy Installation with exchangeability

Markets/Applications

Excavator track
AWP track
Drilling machine track
Undercarriage track
Special crawler vehicle track
Winch

Product specifications

DTD: Track device with gearbox

r

| Mechanical brake torque (motor)| Automatic 2-speed| Relief valve| Anti- cavitation v/v| Weight| Applicable vehicle mass
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---
cm3/rev| rpm| N.m| rpm| cm3/rev| l/min| Mpa| N.m| Kg| Ton
DTD-14.7/7.7| 14.7| 3,116.9| 42.636| 2,200.6| 38.3/73.1| 626.7| 24| 22| 37.26| | X| p| 27| 1.5~2.0
DTD-16| 16| 1,056| 31| 1,549| 34,2| 496| 17| 19.6| 18| X| X| X| 25| 1.5~2.0
DTD-16.4/11.4| 16.4| 3,070| 42.636| 2,785| 50/72| 699.2304| 35| 25| 37.26| | p| p| 27| 1.5~2.0
DTD-16.4/10.2| 16.4| 2,941.2| 42.636| 2,785| 42.9/69| 699.2304| 30| 25| 37.26| | p| p| 27| 1.5~2.0
DTD-18/10.3| 18| 3,146.7| 42.636| 2,999.8| 42.3/76.2| 767.4| 32,5| 24.5| 29.4| | X| p| 27| 1.5~2.0
18| 3,398| 42.636| 2,478.1| 45.6/79.7| 767.4| 35| 24.5| 49| p| X| | 27| 1.5~2.0
DTD-18/9| 18.4| 2,667| 53.7| 2,483| 37.69/77.07| 636.6| 24| 24.5| –| | | X| 41| 2.5~3
DTD-16.4/10.4| 16.4| 3,365.4| 53.7| 3,020.4| 39.7/62.6| 880.68| 35| 21.8| 49| X| p| X| 38| 3.0~3.5
DTD-18/10.1| 18| 3,465.3| 53.7| 3,317.5| 36.2/64.5| 966.6| 35| 21.8| 49| X| p| X| 38| 3.0~3.5
18| 3,465.3| 53.7| 3,317.5| 36.2/64.5| 966.6| 35| 24.5| 42.7| | X| | 38| 3.0~3.5
DTD-21/11.2| 21| 3,125| 53.7| 3,696.1| 31/58.2| 1,262| 35| 20.6| 49| X| p| X| 38| 3.0~3.5
21| 3,125| 53.7| 3,870.6| 31/58.2| 1,127| 35| 21.6| 49| X| | X| 41| 3.0~3.5
21| 3,303.6| 53.7| 4,223.7| 32.8/61.5| 1,127| 37| 23.5| 42,7| | p| p| 38| 3.0~3.5
21| 3,571.4| 53.7| 4,400.2| 35.5/66.5| 1,127| 40| 24.5| 34.8/42.7| | p| p| 38| 3.0~3.5
DTD-23.04/12.66| 23.04| 2,764.6| 53.7| 4,538.5| 28.3/51.5| 1,237.4| 35| 23| 42.7| | p| p| 38| 3.0~3.5
DTD-23.5/14.7| 23.5| 2,380| 53.7| 4,726.8| 27.7/44.3| 1,262| 35| 23.5| 49| X| p| X| 38| 3.0~3.5
23.5| 2,380| 53.7| 4,726.8| 27.7/44.3| 1,262| 35| 23.5| 42.7| | p| p| 38| 3.0~3.5
DTD-40/20.6| 40| 2,670| 45.568| 7,111.7| 30.2/58.6| 1,823| 55| 24.5| 82.3| | | X| 80| 5 ~ 6
40| 2,912| 45.568| 8,722| 27.9/54.2| 1,823| 60| 25.5| 82.3| | | X| 80| 5 ~ 6
DTD-43.7/23.1| 43.7| 2,381| 53.7| 10,253.8| 23.4/44.3| 2,347| 55| 27.4| 82.3| p| | X| 85| 5 ~ 6
43.7| 2,381| 45.6| 6,835.2| 27.6/52.2| 1,991| 55| 21.6| 82.3| p| | X| 85| 5 ~ 6
43.7| 2,500| 53.7| 8,061| 24.6/46.5| 2,347| 57.75| 21.6| 82.3| | | X| 85| 5 ~ 6
DTD-46.6/27.5| 46.6| 2,981.8| 53.7| 1,0934.4| 32.7/55.5| 2,502| 82| 27.4| 82.3| p| | X| 85| 7~7.5
46.6| 2,981.8| 45.6| 9,277| 38.6/65.4| 2,123| 82| 27.4| 115.5| p| | X| 85| 7~7.5
46.6| 2,599| 53.7| 10,954| 28.8/48.4| 2,502| 72| 27.4| 101,.9| | | X| 85| 7~7.5
DTD-41.1/26.1| 41.1| 2,835.2| 53.706| 10,336.2| 33.5/52.8| 2,207.3| 74| 29.4| 149.6| | | X| 89| 7~7.5
DTD-53.21/33.8| 53.21| 2,424| 45.568| 10,591.1| 37.1/58.4| 2,424| 90| 27.4| 126.5| p| | X| 89| 7~7.5
DTD-53.21/31.4| 53.21| 2,410| 47.065| 10,943.2| 30.2/51.2| 2,504| 75.6| 27.4| 82.3| p| | X| 89| 8 ~ 9
DTD-57.1/30.7| 57.08| 2,604.2| 47.065| 11,746.4| 29.8/55.3| 2,686.4| 80| 27.4| 82.3| p| | X| 89| 8 ~ 9
57.08| 2,539.1| 47.065| 11,746.4| 29/53.9| 2,686.4| 78| 27.4| 82.3| | | X| 89| 8 ~ 9
DTD-67.3/41.22| 67.3| 2,718.4| 54| 18,719.9| 30.82/50.34| 3,634.2| 112| 32.4| 196.1| | | X| 140| 11~12
DTD-76.62/44.8| 76.62| 2,756.7| 54| 23,565.3| 29.85/51.05| 4,137.4| 123.5| 35.8| 193.1| | | X| 140| 11~14
DTD-118/72| 118| 2,222.2| 50.508| 32,557.1| 26.8/43.9| 5,959.9| 160| 34.3| 480.5| | | X| 280| 17~19
DTD-146.5/95| 146.5| 2,315.7| 50.508| 41,575.2| 29.8/45.8| 7,399.4| 220| 35.3| 480.5| | | X| 280| 22~23
DTD-146.5/81.8| 146.5| 2,315.7| 50.508| 41,575.2| 29.8/53.2| 7,399.4| 220| 35.3| 480.5| | | X| 280| 22~25
DTD-168.4/102.5| 168.4| 2,412.7| 50.508| 47,790.7| 29/47.7| 8,505.5| 247.3| 35.3| 480.5| | | X| 310| 22~25
DTD-168.4/90| 168.4| 2,747.8| 50.508| 46,462.9| 29/54.4| 8,505.5| 247.3| 34.3| 480.5| | | X| 310| 22~25
DTD-154.8/88.5| 154.8| 3,005.6| 72.978| 61,713.2| 23.5/41.2| 11,297| 275| 34.3| 480.5| | | X| 404| 29~30
DTD-159/96| 154.8| 2,604.1| 72.978| 58,849.7| 21.5/35.6| 11,603| 250| 31.8| 392.2| p| | X| 404| 29~30
DTD-173/101| 173.0| 2,673.3| 72.978| 65,054.3| 21.4/36.6| 12,625| 270| 32.4| 392.2| | | X| 404| 30~33
DTD-185/114.1| 185.0| 2,541| 70.18| 72,941.8| 22.3/36.2| 12,983| 290| 35.3| 392.2| X| | X| 430| 34~36
DTD-185/90| 185.0| 3,000| 70.18| 70,923.6| 20.8/42.7| 12,983| 270| 34.3| 392.2| X| | X| 430| 34~36

Product dimensions

DTD: Track device with gearbox

Model	A (ø)	B (ø)	C (ø)	D	E (ø)	F (ø)	G	H	I	J	X	Y
DTD-16	180	160	154	99	150	170	214	40	58	39	10-M10	9-M10
DTD-14.7/7.7	180	160	159	114.5	150	170	251.5	40	77	39	8-M10	9-M10
DTD-16.4/11.4	180	160	159	114.5	150	170	251.5	40	77	39	8/10/14-M10

8/9/12-M10
DTD-16.4/10.2| 180| 160| 159| 114.5| 150| 170| 251.5| 40| 77| 39| 8/14-M10| 8/9/12-M10
DTD-18/10.3| 180| 160| 159| 114.5| 150| 170| 251.5| 40| 77| 39| 14-M10| 12-M10
215| 190| 160| 114.5| 165| 192| 251.5| 50| 67| 39| 9-M12| 9-M12
DTD-16.4/10.4| 215| 190| 188| 131.8| 165| 192| 257.3| 50| 55.5| 51| 9-M12| 9-M12
DTD-18/10.1| 215| 190| 188| 131.8| 165| 192| 257.3| 50| 55.5| 51| 9-M12| 9-M12
215| 190| 188| 131.8| 165| 192| 257.3| 50| 55.5| 51| 9-M12| 9-M12
DTD-18/9| 212| 190| 188| 128.8| 165| 192| 298.3| 50| 55.5| 51| 9-M12| 9-M12
232| 210| 196| 120.3| 165| 192| 257.3| 70| 47| 51| 13-M12| 12-M12
DTD-21/11.2| 232| 204| 196| 120.3| 165| 192| 257.3| 72| 45| 51| 9-M12| 10-M12
232| 204| 196| 120.3| 165| 192| 257.3| 70| 47| 51| 9-M12| 10-M12
232| 204| 196| 120.3| 165| 192| 257.3| 70| 55.5| 51| 9-M12| 10-M12
255| 210| 196| 124.1| 165| 192| 272.1| 70| 43| 51| 13-M12| 12-M12
DTD-23.04/12.66| 255| 204| 196| 120.3| 165| 192| 257.3| 70| 47| 51| 9-M12| 10-M12
DTD-23.5/14.7| 255| 204| 196| 131.8| 165| 192| 257.3| 50| 55.5| 51| 9-M12| 10-M12
DTD-40/20.6| 282| 250| 244| 154.5| 210| 244| 341.5| 68| 76| 74| 12-M14| 12-M14
DTD-43.7/23.1| 282| 250| 244| 154.5| 210| 244| 341.5| 68| 76| 74| 12-M14| 12-M14
300| 265| 244| 148,5| 210| 250| 351,5| 80| 74| 74| 12-M16| 12-M14
DTD-46.6/27.5| 300| 265| 244| 148.5| 210| 250| 351.5| 80| 74| 74| 12-M16| 12-M14
300| 265| 244| 148,5| 210| 250| 345,5| 80| 74| 74| 12-M16| 12-M16
DTD-41.1/26.1| 300| 265| 244| 150.5| 210| 250| 347| 80| 74| 74| 12-M16| 12-M14
DTD-53.21/33.8| 300| 265| 244| 148.5| 210| 250| 351.5| 80| 75| 74| 12-M16| 12-M14
DTD-53.21/31.37| 300| 265| 261| 154.1| 210| 250| 348.6| 80| 72| 76| 12-M16| 12-M14
DTD-57.08/30.72| 300| 265| 261| 154.1| 210| 250| 348.6| 80| 72| 76| 12-M16| 12-M14
DTD-67.3/41.2| 364| 324| 320| 204.1| 290| 320| 399.6| 83| 88.5| 73| 16-M16| 15-M16
364| 324| 320| 202.1| 290| 320| 397.6| 83| 88.5| 72| 16-M16| 15-M16
DTD-76.62/44.8| 364| 324| 320| 193| 246| 280| 396.5| 98.5| 81| 72| 20-M16| 18/21-M16
DTD-118/72| 440| 402| 440| 250| 300| 340| 515.5| 98.5| 123| 90| 30-M16| 30-M16
DTD-168.4/102.5| 440| 402| 400| 256| 300| 340| 521.5| 98.5| 123| 90| 30-M16| 30-M16/30-ø16
Model| Main port| Drain port| Pilot port (Pi)| Ton
---|---|---|---|---
DTD-16| 2-PF3/8| 2-PF1/4| –| 1.5T
DTD-14.7/7.7| 2-PF3/8| 2-PF1/4| PF1/8| 1.5T
DTD-16.4/11.4| 2-PF3/8| 2-PF1/4| PF1/8| 1.5T
DTD-16.4/10.2| 2-PF3/8| 2-PF1/4| PF1/8| 1.5T
DTD-18/10.3| 2-PF3/8| 2-PF1/4| PF1/8| 1.5T
2-PF3/8| 2-PF1/4| PF1/8| 1.5T
DTD-16.4/10.4| 2-PF1/2| 2-PF1/4| PF1/4| 3.0T
DTD-18/10.1| 2-PF1/2| 2-PF1/4| PF1/4| 3.0T
2-PF1/2| 2-PF1/4| PF1/4| 3.0T
DTD-18/9| 2-PF1/2| 2-PF1/4| PF1/4| 3.0T
2-UNF7/8-14| 2-UNF9/16-18| UNF9/16-18| 3.0T
DTD-21/11.2| 2-PF1/2| 2-PF1/4| PF1/4| 3.0T
2-PF1/2| 2-PF1/4| PF1/4| 3.0T
2-PF1/2| 2-PF1/4| PF1/8| 3.0T
2-PF1/2| 2-PF1/4| PF1/4| 3.0T
DTD-23.04/12.66| 2-PF1/2| 2-PF1/4| PF1/4| 3.0T
Model| Main port| Drain port| Pilot port (Pi)| Ton
---|---|---|---|---
DTD-23.5/14.7| 2-PF1/2| 2-PF1/4| PF1/4| 3.0T
DTD-40/20.6| 2-PF1/2| 2-PF3/8| PF1/4| 5T
DTD-43.7/23.1| 2-PF1/2| 2-PF3/8| PF1/4| 6T
2-PF1/2| 2-PF3/8| PF1/4| 6T
DTD-46.6/27.5| 2-PF1/2| 2-PF3/8| PF1/4| 7T
2-PF1/2| 2-PF3/8| PF1/4| 7T
DTD-41.1/26.1| 2-PF1/2| 2-PF3/8| PF1/4| 7T
DTD-53.21/33.8| 2-PF1/2| 2-PF3/8| PF1/4| 7T
DTD-53.21/31.37| 2-PF1/2| 2-PF3/8| PF1/4| 8T
DTD-57.08/30.72| 2-PF1/2| 2-PF3/8| PF1/4| 8T
DTD-67.3/41.2| 2-UNF1-1/16-12-2B| 1-UNF3/4-16-2B| UNF7/16-20-2B| 11T
2-UNF1-1/16-12-2B| 1-UNF3/4-16-2B| UNF7/16-20-2B| 11T
DTD-76.62/44.8| 2-PF3/4| 1-PF1/2| PF1/4| 14T
DTD-118/72| 2-PF1| 2-PF1/2| PF1/4| 18T
DTD-168.4/102.5| 2-PF1| 2-PF1/2| PF1/4| 25T
Dimensions for:|
---|---
DTD-14| DTD-16| DTD-18| DTD-21| DTD-23| DTD-40| DTD-41| DTD-44
DTD-47| DTD-53| DTD-57| DTD-67| DTD-76| DTD-118| DTD-168|

Danfoss-DTD-14-7-7-7-D-Track-Two-Speed-Axial-Piston-
Motor-1

Model	A (ø)	B (ø)	C (ø)	D	E (ø)	F (ø)	G	H	I	J	X	Y	L
DTD-146.5/95	440	402	400	250	300	340	515.5	98.5	123	90	30-M16
30-M16	74	52.4	8-M10	26.2
DTD-146.5/81.8	440	402	400	250	300	340	515.5	98.5	123	90	30-M16
30-M16	74	52.4	8-M10	26.2
DTD-168.4/102.5	440	402	400	256	300	340	521.5	98.5	123	90	30-M16
30-M16	74	52.4	8-M10	26.2
DTD-168.4/90	440	402	400	256	300	340	521.5	98.5	123	90	30-M16
30-M16	74	52.4	8-M10	26.2
DTD-154.8/88.5	480	450	444	305	380	440	572.5	102.5	103	165	18-M24
26-M20	75	57.2	8-M12	27.8
DTD-159/96	492	450	440	305	380	425	572.5	102.5	103	165	20-M20
26-ø22	75	57.2	8-M12	27.8
DTD-173/101	492	450	440	305	380	440	572.5	102.5	103	165	18-M24
26-M20	75	57,2	8-M12	27.8
DTD-185/114.13	490	450	369	295.5	380	425	572.5	112	103	165	26-M20
24-M20	75	57.2	8-M12	27.8
490	450	369	306	380	425	572.5	112	92.5	165	26-M20	28-M20	75	57.2
8-M12	27.8
DTD-185/90	490	450	369	295.5	380	425	572.5	112	103	165	26-M20
24-M20	75	57.2	8-M12	27.8
Model	Main port	Drain port	Pilot port (Pi)	Ton
---	---	---	---	---
DTD-146.5/95	2-ø25	2-PF1/2	PF1/4	22T
DTD-146.5/81.8	2-ø25	2-PF1/2	PF1/4	25T
DTD-168.4/102.5	2-ø25	2-PF1/2	PF1/4	25T
DTD-168.4/90	2-ø25	2-PF1/2	PF1/4	25T
DTD-154.8/88.5	2-ø25	2-PF1/2	PF1/4	30T
DTD-159/96	2-ø25	2-PF1/2	PF1/4	30T
DTD-173/101	2-ø25	2-PF1/2	PF1/4	30T
DTD-185/114.13	2-ø25	2-PF1/2	PF1/4	36T
2-ø25	2-PF1/2	PF1/4	36T
DTD-185/90	2-ø25	2-PF1/2	PF1/4	36T

Danfoss-DTD-14-7-7-7-D-Track-Two-Speed-Axial-Piston-
Motor-2 Danfoss-
DTD-14-7-7-7-D-Track-Two-Speed-Axial-Piston-Motor-3

Track drive motors for excavators
Performance • Quality • Innovation
Count on Danfoss’s experience to help lead the future of excellent construction equipment. We develop, manufacture, and supply field-proven solutions with 40 years of experience. Providing high-quality and high- performance products backed by deep application knowledge and focus on excavator customers. We transform by market and technology trend and dig in the electrification of excavators. We aim to be leader of excavator components, systems and electrification.

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