Best Auxiliary Hydraulic Pump For Tractors: 10 Options Compared

#1 · Best Overall

1. Vahaha 21.2 GPM PTO Pump

• Weight: 43 lb

Best for: High-flow tractor PTO work.

Why it ranks #1: Its 540-RPM PTO rating, 21.2 GPM flow, 2500 PSI maximum, and specified spline and SAE ports make it the most completely detailed general tractor option.

A listed 21.2 GPM flow rate at 540 RPM makes the Vahaha a high-flow option for tractor-powered hydraulic work, including dump trailers, tailgate lifts, and scissor lifts. Its 2-bolt side mount and six-tooth female spline specify the mounting and shaft arrangement buyers need to account for.

The gear pump’s 9.76 cu. in. per-revolution displacement and 540 RPM operating point accompany its stated 21.2 GPM flow, giving buyers a concrete basis for matching it to a PTO setup. SAE 16 inlet and SAE 12 outlet ports identify the connection sizes, while the 2-bolt side mount is intended for a torque arm. A cast-iron casing with a powder-coated finish adds impact and rust resistance; the stated maximum pressure is 2,500 PSI.

Skip it if you need the listed 49 GPM at 1,800 RPM; National Drivetrain’s PTO Dump Pump C102 specifies that higher-flow operating point.

Choose this Vahaha for tractor PTO jobs that call for its 21.2 GPM flow, SAE port sizes, and side-mounted torque-arm arrangement. Its shaft is a 1-3/8-inch, six-tooth female spline, so the drive connection must match.

Listed on Amazon as: Hydraulic Pump 21.2 GPM 540 RPM 2250PSI Hydraulic Power Take Off Pump for Trucks Tailgate Lift and Dump Trailer and Scissor Lift Tractors 6 Teeth SAE 16 Inlet and SAE 12 Outlet Vahaha

#2 · Agricultural Fit

2. Generic 11 GPM PTO Pump

• Weight: 38.6 lb
• Dimensions: 13 x 11 x 10 in

Best for: Agricultural PTO replacement.

Why it ranks #2: Explicitly intended for agricultural tractors, it specifies 540 RPM, 11 GPM, 2250 PSI, 90 cc/r displacement, port dimensions, and a two-year warranty.

A specified 90 cc/rev displacement paired with 11 GPM maximum flow gives this Generic hydraulic PTO pump a clear profile for agricultural tractors and commercial trucks. Its 540 RPM rated speed and 2,250 PSI rated pressure provide concrete operating limits for buyers assessing a heavy-duty replacement.

The 90 cc/rev displacement and 540 RPM rated speed describe the pump’s operating basis, while the 11 GPM maximum flow helps buyers compare its output with the machine’s needs. The listed 2,250 PSI maximum rated pressure supplies a further system constraint. Inlet and outlet dimensions are given as 1-5/16-12UN-2B and 1-1/16-12UN-2B, respectively, which helps with connection planning; cast iron and aluminum alloy are listed materials.

Skip it if you need 21.2 GPM at 540 RPM; Vahaha’s hydraulic PTO pump lists that higher flow for tractor and trailer work.

This pump is a candidate for agricultural tractor or commercial truck buyers needing a PTO replacement around its 11 GPM, 540 RPM, and 2,250 PSI specifications. Its listed thread dimensions should guide connection planning.

Listed on Amazon as: 11 GPM Hydraulic PTO Pump, 90cc/r Displacement, 540 RPM, 2250 PSI (155 Bar), Heavy Duty Hydraulic Pump Replacement for Agricultural Tractors & Commercial Trucks

#3 · MF Replacement

3. Reliable Aftermarket MF Pump

• Weight: 7.9 lb
• Dimensions: 8 x 8 x 8 in

Best for: Massey Ferguson auxiliary replacement.

Why it ranks #3: This auxiliary pump is listed for Massey Ferguson tractors, with several compatible models identified; it suits buyers seeking a replacement rather than a universal PTO pump.

A named Massey Ferguson tractor fitment range makes this Reliable Aftermarket Parts assembly a focused auxiliary-pump replacement for owners of listed models. Supplied compatibility facts include MF1080, MF1085, MF165, and MF175+, alongside the title’s MF188 reference, rather than a general flow-rate specification.

The listing identifies an aftermarket auxiliary hydraulic pump assembly and names a range of Massey Ferguson models, including 135, 165, 175, 180, 230, 235, 240, 245, 250, 255, 265, 270, 275, 285, and 290. That model information helps narrow the part’s intended application. The listing says OEM numbers are for reference and asks buyers to verify fit before ordering; it also notes that stock images may differ from the actual product.

Skip it if you need published flow and pressure figures for a PTO pump; VEVOR’s 16.6 GPM pump lists both flow and maximum pressure.

This assembly is for Massey Ferguson owners seeking an auxiliary pump for a tractor in the stated fitment range. Use the model references to evaluate the application, and account for the listing’s instruction to verify fit before ordering.

Listed on Amazon as: Hydraulic Auxillary Pump Fits Massey Ferguson 188

#4 · Case IH Fitment

4. Mixizap Case IH Pump

• Weight: 7.2 lb
• Dimensions: 7 x 6 x 5 in

Best for: Case-IH model-specific replacement.

Why it ranks #4: It lists numerous Case IH tractor models and OEM reference numbers, making its stated model-specific fitment useful for owners replacing a compatible pump.

A broad listed Case-IH tractor fitment range makes the Mixizap 70931C91 a model-specific replacement option rather than a general-purpose PTO pump. It names models from the 330 through several larger series and supplies multiple OEM reference numbers, giving owners identifiers to check against their tractor.

The compatibility listing spans Case-IH models including 330, 340, 460, 706, 1066, and 1586, among many others, so the model range helps owners identify whether this replacement is relevant. Reference numbers include 70933C91, 70931C91, 1949296C1, and several 373964R-series numbers, supporting cross-reference checks. The listing specifically says to provide the VIN to verify compatibility; this makes tractor identification a necessary part of the purchase workflow.

Skip it if you need a general 540 RPM PTO pump with stated flow and pressure; VEVOR’s 16.6 GPM pump lists those operating specifications.

This Mixizap is for Case-IH owners seeking a model-specific hydraulic pump replacement, especially when the tractor appears in its extensive compatibility list. Treat VIN verification as a required fitment step; it is not presented as a universal PTO pump.

Listed on Amazon as: 70931C91 Hydraulic Pump for Case IH 330 340 460 504 544 560 606 656 660 706

#5 · Highest Listed Flow

5. Bestauto 21.2 GPM Pump

• Weight: 41 lb
• Dimensions: 10.2 x 9.1 x 3.9 in

Best for: Higher-flow splitter replacement.

Why it ranks #5: Its stated 21.2 GPM flow at 540 RPM and 2500 PSI maximum suit high-flow implement needs, though detailed shaft information is not supplied.

A listed 21.2 GPM flow rate at a maximum 540 RPM gives the Bestauto pump a higher-flow specification for tractors, log splitters, and other listed hydraulic machines. It also states a maximum operating pressure of 2,500 PSI, providing two key limits for evaluating a replacement or application.

The combination of 21.2 GPM flow and a 540 RPM maximum speed helps buyers compare the pump with the machine’s operating requirements. Its feature listing identifies SAE 16 inlet and SAE 12 outlet ports, while the title also references a 1-inch inlet and 1/2-inch NPT outlet; buyers should use the stated connection details when planning installation. Listed applications include tractors, log splitters, truck tailgate lifts, scissor lifts, and dump trailers.

Skip it if you need remote air-shift operation and 49 GPM at 1,800 RPM; National Drivetrain’s PTO Dump Pump C102 lists both features.

The Bestauto suits buyers seeking a 21.2 GPM pump for a listed tractor, splitter, lift, or trailer application. Its 540 RPM maximum and port descriptions are important boundaries when planning the hydraulic circuit and drive.

Listed on Amazon as: Bestauto Hydraulic Pump 21.2GPM Hydraulic Motor 540RPM Log Splitter 2500PSI Hydraulic Splitter SAE 12 Outlet Port Hydraulic Pump for Log Splitter for Truck Tailgate Lift,Scissor Lift, Dump Trailer

#6

6. GELUOXI 7.4 GPM PTO Pump

Best for: Lower-flow tractor PTO tasks.

Why it ranks #6: This PTO pump specifies 540 RPM, 2500 PSI, and a 7.4 GPM flow rate, with SAE 16 inlet and SAE 12 outlet ports.

The GELUOXI’s 7.4 GPM flow rate distinguishes it as a lower-flow PTO option for lift work, dump trailers, log splitters, and tractors. Its stated 540 RPM maximum speed and 2,500 PSI operating pressure give buyers defined figures for assessing whether it suits their machinery.

At 7.4 GPM and up to 540 RPM, this pump offers a different flow target from higher-flow options, which can help buyers narrow their choice around the machine’s stated hydraulic needs. SAE 16 inlet and SAE 12 outlet ports specify the connection sizes and are described as supporting reliable fluid transfer. The product is listed for tractors, log splitters, and heavy-duty machinery, and its cast-iron material is stated in the specifications.

Skip it if you need 21.2 GPM at 540 RPM; Vahaha’s 21.2 GPM PTO pump lists that flow for dump trailers and lift applications.

Choose the GELUOXI when a 7.4 GPM flow target suits tractor, lift, trailer, or splitter work and SAE 16/SAE 12 ports match the connection plan. Its listed 2,500 PSI operating pressure is another selection boundary.

Listed on Amazon as: 7.4 GPM Hydraulic PTO Pump for Lift Work, Dump Trailers, Log Splitters

#7

7. VEVOR 16.6 GPM Pump

• Weight: 40.3 lb
• Dimensions: 10 x 2 x 2.7 in

Best for: SAE-port splitter setups.

Why it ranks #7: It offers 16.6 GPM at a stated maximum 540 RPM and 2500 PSI, with SAE 16 inlet and SAE 12 outlet ports for compatible equipment.

The VEVOR pump pairs a stated 16.6 GPM flow rate with SAE 16 inlet and SAE 12 outlet ports, enabling buyers to assess both hydraulic output and connection sizing for a tractor or log splitter. It is rated for a maximum 540 RPM and 2,500 PSI operating pressure.

A 540 RPM maximum speed and 2,500 PSI maximum pressure define the stated operating limits, while the 16.6 GPM flow gives a reference point for evaluating machine demands. The SAE 16 inlet and SAE 12 outlet identify port sizes for planning hose connections. VEVOR lists tractor, log splitter, truck tailgate lift, scissor lift, and dump trailer applications, offering several stated use cases without changing the pump’s documented speed and pressure limits.

Skip it if you need 21.2 GPM at 540 RPM; Bestauto’s CLB21.2GPM pump lists that flow rate for tractor and splitter applications.

Consider this VEVOR for a tractor or splitter setup whose connection plan uses SAE 16 inlet and SAE 12 outlet ports and whose operating point stays within the listed limits. Its stated flow is 16.6 GPM.

Listed on Amazon as: VEVOR Hydraulic Pump 16.6GPM Hydraulic Motor 540RPM Log Splitter 2500PSI Hydraulic Splitter SAE 12 Outlet Port Hydraulic Pump for Log Splitter for Truck Tailgate Lift,Scissor Lift, Dump Trailer

#8

8. Haldex 13.6 GPM Pump

• Weight: 9.4 lb

Best for: Compact-engine log splitting.

Why it ranks #8: The two-stage, 13.6 GPM pump is described for log splitters and small engines, so it is less directly suited to tractor PTO replacement.

A two-stage design lets the Haldex 1001506 offer faster cycle times and higher possible pressure with a small engine, making it a specifically stated option for log splitters. Its 13.6 GPM rating and 3,000 PSI maximum pressure give buyers useful operating figures for evaluating a direct-drive installation.

The pump calls for a minimum 6 HP gas engine and direct drive only, so it suits buyers whose power source and layout meet those requirements rather than a tractor PTO arrangement. Its two-stage operation is described as supporting faster cycles and higher possible pressure with a small engine. A straight keyed 1/2-inch shaft and 1-inch inlet with 1/2-inch NPT outlet provide defined connection details; cast-iron construction and stated 85% efficiency round out the specifications.

Skip it if you need a tractor PTO pump operating at 540 RPM; Vahaha’s 21.2 GPM PTO pump lists that speed and tractor applications.

This Haldex fits a log-splitter buyer using a gas engine of at least 6 HP and a direct-drive layout. Its two-stage format suits the stated small-engine use, but it is not specified as a tractor PTO pump.

Listed on Amazon as: Haldex Hydraulic Pump – 13.6 GPM, 2-Stage, Model# 1001506

#9

9. ATRACYPART H2136201 Pump

Best for: Spline-shaft hydraulic systems.

Why it ranks #9: Its cast-iron housing and stated 15.3 GPM at 1000 RPM may suit compatible systems, but the listing does not establish tractor PTO fitment.

A 7/8-inch, 13-spline shaft paired with stated flow of 15.3 GPM at 1,000 RPM gives the ATRACYPART H2136201 two useful selection details for hydraulic-system planning. Its cast-iron housing and Teflon-coated bronze thrust plates are specified for durability and abrasion resistance.

The listed 15.3 GPM at 1,000 RPM gives buyers an operating point for comparing the pump with lift mechanisms, plow controls, and other medium- to heavy-duty systems. Its 7/8-inch, 13-spline shaft identifies the drive connection. A cast-iron housing is paired with Teflon-coated bronze thrust plates, which the product description connects to thermal stability and abrasion resistance, helping buyers assess the stated construction for sustained hydraulic use.

Skip it if you need a pump explicitly rated for 540 RPM tractor PTO use; Vahaha’s 21.2 GPM pump lists that operating speed.

The H2136201 suits buyers whose hydraulic system can use its 1,000 RPM operating point and 7/8-inch, 13-spline drive. Its listed applications include lift mechanisms and plow controls, but the supplied details do not specify a 540 RPM rating.

Listed on Amazon as: H2136201 Hydraulic Pump with 7/8"-13 Spline Shaft, 15.3 GPM at 100 RPM

#10

10. National Drivetrain C102 Pump

• Weight: 75 lb

Best for: Remote-shift dump-truck hydraulics.

Why it ranks #10: This 49 GPM air-shift dump pump is designed for direct-mount truck PTO applications, not the auxiliary tractor use that defines this roundup.

An air-shift mechanism enables remote operation in PTO systems, distinguishing National Drivetrain’s C102 dump pump for dump-truck and heavy-duty hydraulic applications. It lists 49 GPM at 1,800 RPM and a 2,500 PSI working-pressure rating, with a direct-mount configuration and 7/8-inch, 13-spline shaft.

The 49 GPM flow at 1,800 RPM targets high-flow work, while the listed 2,500 PSI working pressure defines a separate operating limit. Its direct-mount, left-hand configuration and 7/8-inch, 13-spline shaft are key installation considerations. The air-shift control supports remote operation in PTO systems. Extended studs are specified for a support bracket, but the mounting bracket assembly is sold separately, so that component must be planned as part of the installation.

Skip it if you need a 540 RPM tractor pump with SAE 16 and SAE 12 ports; VEVOR’s 16.6 GPM pump lists those specifications.

This National Drivetrain pump suits dump-truck or heavy-duty PTO systems needing its stated high flow and air-shift control. Account for its left-hand direct mount, spline shaft, and separately sold bracket assembly before installation.

Listed on Amazon as: PTO Dump Pump C102 Hydraulic Pump 49 GPM with Air Shift Cylinder 7/8"