Retrofit kit — Model MH-3W

Hydrogen Conversion
Kit for TukTuk

Keep the rickshaw. Change the fuel. A bolt-on kit converts an existing petrol or CNG auto to hydrogen in a single workshop day — same chassis, same engine, same driving feel, no tailpipe CO2.

One day fitment

Six to eight hours in the workshop, and the auto is back on the road.

145 km range

City duty cycle on a full water fill, matched to a driver's shift.

₹1.10 per km

Roughly half a CNG rickshaw on the same route and load.

No pressure tank

Hydrogen is generated as the engine draws it, never stored on board.

Blue auto rickshaw fitted with a hydrogen conversion kit
Model MH-3W fitted to a 2019 four-stroke petrol rickshaw

Overview

Scrapping a working rickshaw is the most expensive way to go clean.

India has millions of roadworthy autos with years of service left in them. The MH-3W kit keeps that vehicle earning: the engine, gearbox and body stay, and an on-board generation unit feeds hydrogen into the intake in place of petrol or CNG.

Drivers get the throttle response they already know, a shift-length range and a fuel bill that drops from day one. Fleet owners get a conversion that costs a fraction of a new electric three-wheeler.

  • Fits four-stroke petrol and CNG rickshaws from 2014 onward
  • Zero CO2 at the tailpipe — water vapour only
  • Engine, gearbox and body left untouched
  • Reversible: the kit can be removed and refitted to another vehicle
Apply for a kit

Price

One price, paid in three parts.

Reserve a kit with the booking amount, settle the delivery payment once it is fitted, and put the balance on a quarterly instalment plan if you would rather spread it.

MRP

₹60,000

Model MH-3W conversion kit, fitted at an authorised workshop.

  1. On booking ₹6,000 Paid with the application. It holds a kit in the current batch and comes off the price.
  2. At delivery ₹24,000 Due when the kit is fitted and the rickshaw is handed back.
  3. On finance ₹30,000 The balance, carried on the instalment plan below.

Loan finance is a limited offer

Open to
Our first 1,00,000 customers
Applications close
15 September 2026

Apply on or before that date to put the ₹30,000 balance on the quarterly plan. After it, the balance is payable at delivery.

₹625 × 48 monthly instalments

The financed ₹30,000 is repaid in 48 instalments, billed once a quarter and arranged with our lending partner once the application is approved.

Book a kit for ₹6,000

Why this kit

Designed for drivers who cannot afford a day off the road.

Six decisions taken on the basis of pilot fleets running full shifts in Ahmedabad traffic.

Bolt-on fitment

No engine machining and no chassis cutting. Standard hand tools and a torque wrench.

Familiar throttle

Pull-away and hill response tuned to match the vehicle's original petrol map.

Dual-fuel fallback

The original petrol line stays live, so a driver is never stranded mid-shift.

Lower cost per km

About ₹1.10 against ₹2.30 on CNG, on the same route and passenger load.

Fleet telemetry

Optional GPS module logs range, water level and cell health per vehicle.

Transferable asset

When a rickshaw retires, the kit moves to the next one. It outlives the vehicle.

How it works

Water on board, hydrogen at the intake.

Four steps, all of them running while the engine is turning.

  1. 01

    Fill with water

    Nine litres of purified water goes into the under-seat tank. One fill covers a full shift.

  2. 02

    Generate on demand

    The cell produces hydrogen only while the engine runs, matched to throttle position.

  3. 03

    Feed the intake

    Gas enters through the retrofit manifold; the controller trims the mixture in real time.

  4. 04

    Vapour out

    The exhaust carries water vapour. No CO2, no particulates, no unburnt fuel smell.

Specifications

Model MH-3W, three-wheeler kit.

Indicative figures for the pilot kit. Final values are confirmed on the fitment certificate issued with each conversion.

Fitment

Vehicle fitment
Four-stroke petrol and CNG rickshaws, 2014 onward
Engine displacement
175 – 250 cc
Fitment time
6 – 8 hours at an authorised workshop
Electrical
12 V vehicle supply, 40 A alternator minimum

Range and running

Water tank
9 L, under-seat
Range per fill
Approx. 145 km, city duty cycle
Water quality
RO or distilled, < 20 ppm TDS
Running cost
Approx. ₹1.10 per km
Stored hydrogen
None — generated on demand

On the road

Top speed
Unchanged from the base vehicle
Payload impact
Kit adds 24 kg, three-passenger rating retained
Service interval
Cell inspection every 10,000 km
Warranty
4 years on the cell stack, 2 years on the controller

In the kit

  • Generation unit and under-seat water tank
  • Retrofit intake manifold and gas line
  • Mixture controller and wiring loom
  • Handlebar display with range and water level
  • Fitment manual and driver card in three languages

Homologation status

Pilot conversions run under an RTO trial registration. Type approval for retail retrofit is in progress; fleet operators can join the pilot programme in the meantime.

Questions

What drivers and fleet owners ask first.

Anything not covered here, write to us and an engineer will answer.

Does the engine have to be replaced or rebuilt?

No. The kit feeds hydrogen into the existing intake and trims the mixture electronically. A healthy engine needs nothing beyond a service; a tired one should be tuned before conversion, the same as for any fuel change.

Is there a high-pressure cylinder on board?

None. Hydrogen is produced only while the engine is running and consumed within seconds. There is no reservoir to rupture in a collision, which is the main safety difference from a CNG conversion.

What if the water runs out mid-shift?

The display warns at two litres remaining, and the controller falls back to the original petrol line so the vehicle keeps running. Refilling takes about a minute at any water point.

How does the cost compare with a new electric auto?

A conversion costs roughly a fifth of a new e-rickshaw and needs no charging infrastructure or overnight parking with a socket. The kit also transfers to another vehicle when the current one retires.

Is it legal to drive a converted rickshaw?

Pilot vehicles run under an RTO trial registration issued for the programme. Retail retrofit begins once type approval is granted; until then, conversions are limited to registered pilot fleets.

Who fits and services the kit?

Authorised workshops trained by Manifold. Fitment takes six to eight hours, and the first two services are included with every pilot conversion.

Manifold Hydrogen TukTuk Kit

Convert your first rickshaw
this month.

Tell us how many vehicles you run and where they operate. We will come back with a quote, a workshop slot and a demo ride.

Book a fitment