1. Overview of DENISON Hydraulic Vane Pump T6DC Series

The DENISON Hydraulic Vane Pump T6DC Series is an advanced fixed-displacement double vane pump engineered to deliver dependable hydraulic power across multi-circuit industrial and mobile applications. Featuring Parker Denison's renowned pin-vane double-lip mechanism, this pump dynamically balances hydraulic forces against the cam contour to minimize vane tip friction, prevent ring chattering, and maintain high volumetric efficiency exceeding 94%. By combining two independently operating pump cartridges (a large-displacement D-frame cartridge at the shaft end and a medium-displacement C-frame cartridge at the cover end) within a monolithic spheroidal cast-iron housing, it powers two separate hydraulic circuits from a single prime mover, reducing system footprint, noise emissions, and mechanical installation complexity.

2. Dimension of DENISON Hydraulic Vane Pump T6DC Series

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Reference dimensions for the DENISON T6DC double vane pump with SAE C 2-bolt mounting flange, common suction port, and dual discharge ports. The letters correspond to the dimensional drawing.

Ref. L — 362.5 mm (14.27 in):

Overall pump length from mounting flange face to rear cover end

Ref. A — 204.0 mm (8.03 in):

Centerline of P1 (D-cartridge) discharge port from mounting face

Ref. B — 272.5 mm (10.73 in):

Centerline of common suction inlet port from mounting face

Ref. C — 312.0 mm (12.28 in):

Centerline of P2 (C-cartridge) discharge port from mounting face

Ref. D — 127.0 mm (5.00 in):

SAE C precision pilot spigot diameter (+0 / -0.05 mm)

Ref. S1 — 181.0 mm (7.13 in):

Center-to-center distance between 2-bolt mounting holes

Ref. S2 — 17.5 mm (0.69 in):

Mounting bolt through-hole diameter (for M16 / 5/8" bolts)

Ref. H — 218.0 mm (8.58 in):

Overall pump body height

Ref. W — 205.0 mm (8.07 in):

Overall pump body width

Interface data needed with the drawing:

Mounting flange:

SAE C 2-bolt pilot flange (ISO 3019-2 - 127A2HW; pilot Ø 127.0 mm / 5.0 in)

Drive shaft:

1 — SAE C Keyed cylindrical / 2 — Non-SAE Keyed / 3 — SAE C 14-Tooth Spline 12/24 DP

Outboard bearing:

Standard heavy-duty front bearing supporting direct engine/gearbox coupling

Rotation:

R — Clockwise (CW), viewed from shaft end (L — Counter-clockwise optional/field reversible)

Suction port (Inlet):

SAE 3" 4-bolt split flange (Code 61, 3000 psi rating, UNC or Metric thread)

P1 Discharge (Outlet 1):

SAE 1-1/4" 4-bolt high-pressure flange (Code 61/62, UNC or Metric thread)

P2 Discharge (Outlet 2):

SAE 1" or 3/4" 4-bolt high-pressure flange (Code 61, UNC or Metric thread)

Seals:

1 — Buna NBR standard (5 — Viton FKM for synthetic & high-temperature fluids)

Body construction:

High-density spheroidal ductile cast-iron body with modular cartridge kit architecture

Mounting bolt tightening torque:

170 ±10 Nm (1,500 ÷ 1,600 lbf in)

Flange port bolt tightening torque:

M10: 60 ±5 Nm; M12: 100 ±10 Nm; M16: 210 ±15 Nm

3. Pump Installation Specifications DENISON Hydraulic Vane Pump T6DC Series

The DENISON / Parker pump designation follows a structured 10-segment ordering matrix defining displacement, mechanical interfaces, port orientations, and seal types:

Code structure — reference: T6DC - 042 - 014 - 1 R 00 - C 1 00

Position 1 — T6DC:

Pump Series: Heavy-duty double vane pump (P1 = T6D series; P2 = T6C series)

Position 2 — 042:

Cam Ring 1 (P1): Shaft-end displacement (042 = 132.3 cm³/rev; options 014 to 050)

Position 3 — 014:

Cam Ring 2 (P2): Cover-end displacement (014 = 46.0 cm³/rev; options 003 to 031)

Position 4 — 1:

Drive shaft type: 1 = SAE C keyed; 2 = Non-SAE keyed; 3 = SAE C 14T spline; 4 = Heavy-duty spline

Position 5 — R:

Direction of rotation: R = Clockwise (viewed from shaft); L = Counter-clockwise

Position 6 — 00:

Porting orientation: Angular relationship between inlet and discharge ports (00 = Standard inline)

Position 7 — C:

Design letter: Revision level and manufacturing update code

Position 8 — 1:

Seal class: 1 = Buna-N (NBR, mineral oil); 5 = Viton (FKM, synthetic/fire-resistant fluid)

Position 9 — 00:

Mounting / Coupling modification: 00 = Standard SAE C 2-bolt flange

Reading your code & T6DC configuration options

T6DC-042-014-1R00-C100:

Frame Platform: T6DC · P1 Displacement: 132.3 cm³/rev · P2 Displacement: 46.0 cm³/rev · Drive Shaft: SAE C Keyed (1) · Porting Orientation: Standard (00) · Custom Fitment Focus: Plastic injection molding / Die-casting clamp

T6DC-050-020-1R00-C100:

Frame Platform: T6DC · P1 Displacement: 158.5 cm³/rev · P2 Displacement: 63.8 cm³/rev · Drive Shaft: SAE C Keyed (1) · Porting Orientation: Standard (00) · Custom Fitment Focus: Mobile crawler crane / Material handling boom

T6DC-038-017-1R00-C100:

Frame Platform: T6DC · P1 Displacement: 120.3 cm³/rev · P2 Displacement: 58.3 cm³/rev · Drive Shaft: SAE C Keyed (1) · Porting Orientation: Standard (00) · Custom Fitment Focus: Heavy scrap metal baler & compactor

T6DC-045-022-3R00-C100:

Frame Platform: T6DC · P1 Displacement: 142.4 cm³/rev · P2 Displacement: 70.3 cm³/rev · Drive Shaft: SAE C Spline (3) · Porting Orientation: Standard (00) · Custom Fitment Focus: Mobile earthmoving wheel loader steering/lift

T6DC-050-031-1R01-C100:

Frame Platform: T6DC · P1 Displacement: 158.5 cm³/rev · P2 Displacement: 100.0 cm³/rev · Drive Shaft: SAE C Keyed (1) · Porting Orientation: 90° Offset (01) · Custom Fitment Focus: Marine deck hydraulic anchor winch skid

4. Techspecs of DENISON Hydraulic Vane Pump T6DC Series

Performance

Geometric Displacement Range:

P1 (Shaft End - "D" Cartridge): 47.6 to 190.5 (2.90 to 11.62) cm³/rev (in³/rev)

P2 (Cover End - "C" Cartridge): 10.8 to 100.0 (0.66 to 6.10) cm³/rev (in³/rev)

Continuous Operating Pressure p1:

P1 (Shaft End - "D" Cartridge): 240 (3,480) bar (psi)

P2 (Cover End - "C" Cartridge): 240 (3,480) bar (psi)

Intermittent Operating Pressure p2:

P1 (Shaft End - "D" Cartridge): 260 (3,770) bar (psi)

P2 (Cover End - "C" Cartridge): 260 (3,770) bar (psi)

Peak Pressure p3:

P1 (Shaft End - "D" Cartridge): 275 (3,988) bar (psi)

P2 (Cover End - "C" Cartridge): 275 (3,988) bar (psi)

Maximum Continuous Speed:

P1 (Shaft End - "D" Cartridge): 2,500 ~ 2,800 r/min

P2 (Cover End - "C" Cartridge): 2,500 ~ 2,800 r/min

Minimum Operating Speed:

P1 (Shaft End - "D" Cartridge): 400 r/min

P2 (Cover End - "C" Cartridge): 400 r/min

Theoretical Flow @ 1,500 r/min (e.g. 042/014):

P1 (Shaft End - "D" Cartridge): 198.5 (52.4) l/min (US gpm)

P2 (Cover End - "C" Cartridge): 69.0 (18.2) l/min (US gpm)

Theoretical Flow @ 1,800 r/min (e.g. 042/014):

P1 (Shaft End - "D" Cartridge): 238.1 (62.9) l/min (US gpm)

P2 (Cover End - "C" Cartridge): 82.8 (21.9) l/min (US gpm)

Max. Allowable Drive Shaft Input Torque:

P1 (Shaft End - "D" Cartridge): 850 (7,522) Nm (lbf in)

P2 (Cover End - "C" Cartridge): —

Volumetric Efficiency:

P1 (Shaft End - "D" Cartridge): ≥ 94%

P2 (Cover End - "C" Cartridge): ≥ 94%

Hydro-mechanical Efficiency:

P1 (Shaft End - "D" Cartridge): ≥ 88%

P2 (Cover End - "C" Cartridge): ≥ 88%

Unit Mass (Approximate):

P1 (Shaft End - "D" Cartridge): 58.0 (127.8) kg (lbs)

P2 (Cover End - "C" Cartridge): —

Interfaces and configuration

Rotation:

R — Clockwise standard (L — Counter-clockwise available; field reversible)

Mounting flange:

SAE C 2-bolt pilot flange (ISO 3019-2; pilot diameter 127.0 mm)

Drive shaft:

Code 1: SAE C keyed / Code 3: SAE C 14-tooth splined shaft

Ports position:

Suction: SAE 3" flange / P1 Outlet: SAE 1-1/4" flange / P2 Outlet: SAE 1" flange

Outboard bearing:

Heavy-duty deep-groove ball bearing assembly for shaft radial load support

Seals:

Class 1: Buna-N (NBR standard) / Class 5: Viton (FKM synthetic fluid)

Construction:

High-strength spheroidal ductile cast iron body and front mounting housing

Flange bolt tightening torque:

170 ±10 Nm (1,500 ÷ 1,600 lbf in)

Cartridge kit retaining bolt torque:

45 ±5 Nm (398 ÷ 442 lbf in)

Operating conditions

Fluid:

Mineral-oil-based hydraulic fluid to ISO 6743/4 (HL, HLP) and DIN 51524

Inlet pressure range (absolute):

0.8 ÷ 1.5 bar abs. (11.6 ÷ 21.7 psi abs.)

Viscosity — recommended:

15 to 60 mm²/s (cSt) [77 to 280 SSU]

Viscosity — permissible range:

10 to 860 mm²/s (cSt) [60 to 4,000 SSU]

Cold start maximum viscosity:

2,000 mm²/s (cSt) [9,270 SSU]

Fluid temperature, Class 1 seals:

−18 °C to +100 °C continuous (0 °F to +212 °F)

Fluid temperature, Class 5 seals:

−10 °C to +115 °C continuous (+14 °F to +239 °F)

Recommended contamination level:

Δp > 210 bar: NAS 1638 class 7 / ISO 4406 18/16/13 (10 μm filter element β10(c) ≥ 200)

Permissible contamination level:

Δp < 140 bar: NAS 1638 class 8 / ISO 4406 19/17/14 (25 μm filter element)

Storage conditions:

Dry environment, 5 °C to 25 °C (41 °F to 77 °F), maximum 24 months

Dimensions:

— see section 2.

5. Advantages of DENISON Hydraulic Vane Pump T6DC Series

Parker Denison Pin-Vane Technology. The patented pin-vane mechanism dynamically balances the hydraulic loading of the vane against the cam contour, minimizing vane tip contact force, eliminating ring chattering, and sustaining high volumetric efficiency over thousands of hours.

Dual-Circuit Independent Power Delivery. Integrates two independently operating displacement sections (P1 and P2) within a single compact body, eliminating the need for bulky two-pump split gearboxes and saving crucial installation space in mobile chassis.

Ultra-Low Acoustic Noise Levels. Pressure-balanced design and smooth port plate timing grooves drastically suppress flow pulsation, providing whisper-quiet operation that complies with indoor factory and mobile vehicle noise standards.

Drop-In Modular Cartridge Kit Architecture. Both D-size (P1) and C-size (P2) assemblies are engineered as modular cartridge kits. Flow capacity can be easily converted or overhauled on-site without uncoupling the pump body from the machine piping.

High Pressure & Thermal Stability. Robust spheroidal graphite cast-iron construction resists internal pressure deflection up to 275 bar peak, maintaining dimensional stability across extreme temperature fluctuations from -18 °C to +100 °C.

Exceptional Contamination Resistance. The double-lip vane configuration wipes the cam ring clean during rotation, preventing abrasive particle entrapment and providing superior contamination tolerance compared to standard axial piston or gear pumps.

6. Reference of DENISON Hydraulic Vane Pump T6DC Series

6.1 Series architecture across T6DC cartridge platforms

T6DC (Standard):

P1 Cam Range (cm³/rev): 47.6 to 190.5

P2 Cam Range (cm³/rev): 10.8 to 100.0

Continuous Pressure (p1): Up to 240 bar

Peak Pressure (p3): 275 bar

Speed Range: 400 to 2,800 r/min

Application Focus: Injection molding, die-casting, crawler cranes

T6DCC (Triple):

P1 Cam Range (cm³/rev): 47.6 to 190.5

P2 Cam Range (cm³/rev): 10.8 to 100.0

Continuous Pressure (p1): Up to 240 bar

Peak Pressure (p3): 275 bar

Speed Range: 400 to 2,500 r/min

Application Focus: Multi-circuit construction excavators

T6EDC (Heavy):

P1 Cam Range (cm³/rev): 213.3 to 269.8

P2 Cam Range (cm³/rev): 47.6 to 190.5

Continuous Pressure (p1): Up to 240 bar

Peak Pressure (p3): 275 bar

Speed Range: 400 to 2,500 r/min

Application Focus: Heavy mining machines, steel mill presses

6.2 Complete order numbers and custom variants identified on the market

Complete pump order and designation codes identified for this product group:

• T6DC-035-014-1R00-C100

• T6DC-038-017-1R00-C100

• T6DC-042-014-1R00-C100

• T6DC-042-020-1R00-C100

• T6DC-045-022-1R00-C100

• T6DC-050-014-1R00-C100

• T6DC-050-020-1R00-C100

• T6DC-050-025-1R00-C100

• T6DC-050-028-1R00-C100

• T6DC-050-031-1R00-C100

• T6DC-042-014-2L00-C100

• T6DC-045-020-3R00-C100

• T6DC-050-022-3R00-C100

• T6DC-038-028-1R01-C100

• T6DC-042-025-1R02-C100

7. Brand Replacement

HENGYUHANG specializes in direct-fit OEM replacement manufacturing for DENISON / Parker hydraulic vane pumps, including the complete T6DC series as well as individual replacement cartridge kits (D-cartridges and C-cartridges). Utilizing precision CNC machining centers, high-vacuum heat treatment, and precision surface-grinding equipment, HENGYUHANG manufactures exact 1:1 dimensional replicas of Denison cam rings, rotors, pin-vanes, and port plates.

Fleet operators, equipment rebuilders, and machine builders can seamlessly install HENGYUHANG T6DC replacement units without altering existing SAE C bell housings, input drive shafts, or SAE 4-bolt flange piping. All replacement pumps undergo 100% computerized dynamic testing under full working pressure to verify flow curves, volumetric efficiency, and seal integrity, providing an OEM-identical hydraulic performance with cost savings of 40% to 60% and delivery lead times reduced from months to days.

8. Applications of DENISON Hydraulic Vane Pump T6DC Series

Typical equipment applications of the DENISON T6DC double hydraulic vane pump series:

Plastics & Rubber Processing Machinery: Injection molding machine clamping and injection units, blow molding systems, and rubber extrusion equipment requiring pulse-free multi-stage pressure control.

Metal Forming & Die-Casting: Cold-chamber and hot-chamber die-casting machines, hydraulic stamping presses, sheet metal shearing lines, and scrap metal balers.

Mobile Construction Equipment: Hydraulic mobile truck cranes, wheel loader implement circuits, rough-terrain forklifts, crawler excavators, and trenchers.

Material Handling & Lifting Equipment: Telescopic boom handlers, heavy port reach stackers, container spreaders, and hydraulic elevating work platforms.

Marine & Offshore Systems: Deck winches, capstans, offshore pedestal crane power packs, and hydraulic steering gears.

Industrial Central Power Packs (HPUs): Factory automation lines, steel mill lubrication and roll-balance systems, and high-pressure industrial testing skids.

In all applications, the T6DC pump delivers smooth, reliable high-pressure hydraulic fluid across continuous multi-shift production cycles.

9. Package & Shipping

Item:

Specification

Packaging:

Single unit enclosed in anti-rust VCI film, cushioned with custom EPE foam, and packed in an export-grade wooden crate

Selling unit:

Single item — MOQ 1 unit

Net weight:

Approximately 58.0 kg (127.8 lbs)

Gross weight:

Approximately 63.5 kg (140.0 lbs) with export wooden crate packaging

Lead time:

3 to 5 working days for standard configurations; volume orders per production schedule

Shipping:

Air freight, ocean container shipping (FCL/LCL), or international express (DHL, FedEx, UPS)

Customization:

Full customization of shaft keys/splines, port thread standards (Metric/UNC), and laser brand marking

Warranty:

1 year comprehensive warranty against manufacturing and material defects

10. Why Choose Hengyuhang?

Professional Hydraulic Vane Pump Manufacturer. Quanzhou Hengyuhang Power Technology Co., Ltd. (Fujian, China) is an established manufacturer of high-pressure vane pumps, gear pumps, piston pumps, and precision internal components.

One-Piece Minimum Order Quantity. Complete T6DC pumps and standalone cartridge kits available with an MOQ of just 1 piece, catering to emergency machine repairs, distributor sampling, and custom machine builds.

100% Computerized Hydraulic Testing. Every single pump is rigorously tested on dynamic digital test benches under rated pressure (240 bar) to ensure zero internal leakage, rated flow output, and whisper-quiet operation prior to dispatch.

Complete OEM Interchangeability. Built strictly to international SAE C and ISO mounting dimensions, ensuring 100% plug-and-play compatibility with original Denison / Parker installations.

Massive Component Inventory. Constant stock of cast-iron housings, finished cartridge kits (sizes 003 to 050), and precision shafts ensures fast order dispatch within 3–5 working days.

Direct Factory Pricing. Maximize your profit margins and reduce aftermarket maintenance overhead by cutting out multi-tier distributor markups.

Comprehensive One-Year Warranty. Full 12-month quality guarantee backed by professional hydraulic engineers providing schematic cross-referencing and prompt technical assistance.